Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite.

x + y = 4

x - y = 0

Answers

Answer 1

Answer:

  one point

Step-by-step explanation:

A system of two linear equations will have one point in the solution set if the slopes of the lines are different.

__

When the equations are written in the same form, the ratio of x-coefficient to y-coefficient is related to the slope. It will be different if there is one solution.

ratio for first equation: 1/1 = 1ratio for second equation: 1/-1 = -1

These lines have different slopes, so there is one solution to the system of equations.

_____

Additional comment

When the equations are in slope-intercept form with the y-coefficient equal to 1, the x-coefficient is the slope.

  y = mx +b . . . . . slope = m

When the equations are in standard form (as in this problem), the ratio of x- to y-coefficient is the opposite of the slope.

  ax +by = c . . . . . slope = -a/b

As long as the equations are in the same form, the slopes can be compared by comparing the ratios of coefficients.

__

If the slopes are the same, the lines may be either parallel (empty solution set) or coincident (infinite solution set). When the equations are in the same form with reduced coefficients, the lines will be coincident if they are the same equation.


Related Questions

A 2-column table has 8 rows. The first column is labeled Statements with entries angle A B C is right angle, Line segment D B bisects angle A B C, B, m angle A B D = m angle C B D, m angle A B D + m angle C B D = 90 degrees, m angle C B D + m angle C B D = 90 degrees, D, m angle C B D = 45 degrees. The second column is labeled Reasons with entries A, given, definition of right triangle, definition of bisection, C, substitution property, addition, and division property. Identify the missing parts in the proof. Given: ∠ABC is a right angle. DB bisects ∠ABC. Prove: m∠CBD = 45° A: B: C: D:

Answers

Answer:

A. Given

B.Measure of ABC=90

C.Angle addition Prostulate

D.2 times the measure of angle CBD=90

Step-by-step explanation:

Answer:

d a b c

Step-by-step explanation:

Please, Help me. I need it today. I will give brainliest to you if you are correct.

Please, Help me. I need it today. I will give brainliest to you if you are correct.

Answers

Answer:

the answer to the first one is 60%

Step-by-step explanation:

subtract 1.5 by 2.1.

1.5-2.1=60%.

according to census the total number of male and female was 88,51,84,692, if number of male was 45,40,34,570what was the number of number of female population

Answers

According to census the total number of male and female was 88,51,84,692, if number of male was 45,40,34,570 the number of female population is 43,11,50,122.

To find the wide variety of girl population, we will subtract the quantity of male population from the full population.

Total population = 88,51,84,692

Number of male = 45,40,34,570

Number of female = Total population - Number of male

= 88,51,84,692 - 45,40,34,570

= 43,11,50,122

Therefore, the number of female population is 43,11,50,122.

For more details regarding population, visit:

https://brainly.com/question/15889243

#SPJ1

Helen plans on reading 2 books this year. If there are 7 books on her reading list to choose from, how many different book
choice combinations are possible?
Provide your answer below:

Answers

Answer:

14

Step-by-step explanation:

by solving the inequality 6x-7>5​

Answers

Your answer is X>2 ;)

Label the triangle sides, assuming the angle of interest is the 30-degree angle:

solve for
The side with x is the
blank side.
The side with y is the



NO SPAM I WILL REPORT YOU
blank side.
The side with 17 is the blank side

Label the triangle sides, assuming the angle of interest is the 30-degree angle:solve forThe side with

Answers

Check the picture below.

Label the triangle sides, assuming the angle of interest is the 30-degree angle:solve forThe side with

How do you solve this??

21 a(little 6) b(little 5)
————————————
7 a(little 3) b

Answers

\((21a^6b^5) / (7a^3b)\) simplifies to \(3a^3b^4.\)

To solve this problem

We can use the rules of exponents and simplify the terms with the same base.

Dividing the coefficients: 21 / 7 = 3.

For the variables, you subtract the exponents: \(a^6 / a^3 = a^(^6^-^3^) = a^3.\)

Similarly,\(b^5 / b = b^(5-1) = b^4\).

Putting it all together, the simplified expression is:

\(3a^3b^4.\)

Therefore, \((21a^6b^5) / (7a^3b)\) simplifies to \(3a^3b^4.\)

Learn more about rules of exponents here : brainly.com/question/11975096

#SPJ1

logx+5 64 = 2

Please help!!
Solve and round to the nearest 100th
Explain how
WILL GIVE BRAINIEST FIRST ANSWER

Answers

The left-hand side of the equation represents the logarithm of 64 with base x, and it is not possible to find a real value of x that satisfies the equation.

solve the equation logₓ(64) + 5 = 2, we can follow these steps:

Step 1: Move the constant term to the other side of the equation:

logₓ(64) = 2 - 5

logₓ(64) = -3

Step 2: Rewrite the equation in exponential form:

x^(-3) = 64

Step 3: Rewrite 64 as a power of x:

x^(-3) = x^6

Step 4: Set the exponents equal to each other:

-3 = 6

The equation -3 = 6 is not true, which means there is no real solution to the given equation.

Therefore, the equation logₓ(64) + 5 = 2 has no solution in the real number system.

For more such questions on logarithm

https://brainly.com/question/30128287

#SPJ8

Write the standard form for the polynomial function from number 2.

Answers

Answer:

The polynomial function from number 2 is:

f(x) = 4x^3 - 5x^2 + 2x - 1

To write this in standard form, we need to arrange the terms in descending order of degree:

f(x) = 4x^3 - 5x^2 + 2x - 1

f(x) = 4x^3 + (-5x^2 + 2x - 1)

f(x) = 4x^3 - 5x^2 + 2x - 1

So the standard form of the polynomial function is:

f(x) = 4x^3 - 5x^2 + 2x - 1

HELPPP PLEASE!!!!!!!!!

HELPPP PLEASE!!!!!!!!!

Answers

A) 1575cm3
B) 340.34cm3
HELPPP PLEASE!!!!!!!!!

John has a 100 cm cubed pencil holder. If John wants to hide a pencil in the pencil holder (so the pencil holder) what is the longest length of pencil he can hide

Answers

Therefore, the longest length of pencil that John can hide in the pencil holder is approximately 127.32 cm (rounded to two decimal places).

Given that John has a 100 cm³ pencil holder, the longest length of pencil he can hide in the pencil holder can be found by using the formula for the volume of a cylinder which is given by: V = πr²h where r is the radius of the cylinder and h is the height of the cylinder.The volume of a cylinder can also be expressed as V = lwh where l is the length of the cylinder, w is the width of the cylinder and h is the height of the cylinder.

If we assume that the pencil is cylindrical in shape, then its volume can be given by V = πr²l where r is the radius of the pencil and l is the length of the pencil.Since the volume of the pencil holder is given to be 100 cm³, then we have:100 = πr²h (Equation 1)

Now, we need to find the value of l that can fit inside the pencil holder. We can use the formula for the volume of the pencil to do this as follows:

V = πr²lLet V = 100 cm³ and

r = 0.5 cm

(since the pencil holder is cylindrical in shape, we can assume that it has a radius of 0.5 cm)Then, we have:100 = π(0.5)²lSolving for l, we get:

l = 100 / (π(0.5)²)

l = 100 / (0.7854)l ≈ 127.32 cm

For such more question on volume

https://brainly.com/question/27710307

#SPJ8

Consider the following system of equations.
a+b-4c=1
a+4b+c=12
a-3b-2c=-5
Show that (3,2,1) is a solution to the system

Answers

Answer:

Step-by-step explanation:

a+b-4c-a-4b-c=1-12, -3b-5c=-11

a+4b+c-a+3b+2c=12+5, 7b+3c=17

3(-3b-5c)+5(7b+3c)=3(-11)+5(17)

-9b-15c+35b+15c=-33+85

26b=52

b=2, making 7b+3c=17 become

14+3c=17

3c=3

c=1, making a+b-4c=1 become

a+2-4(1)=1

a-2=1

a=3

(a,b,c)=(3,2,1)

A bag contains:

- 5 red marbles
6 blue marbles
3 green marbles
4 black marbles
2 yellow marbles

A marble will be drawn from the bag and replaced 100 times. What is a reasonable prediction
for the number of times a green or black marble will be drawn?

F 14
G 65
H 7
J 35

Answers

Answer:

G  I mean -5 right so the

Step-by-step explanation:

3 bags of dog food cost ​$6.75 How much would they spend on 2 bags of dog ​food?

Answers

Answer:

$4.50 for 2 bags of dog food

Step-by-step explanation:

To find the cost of 2 bags of dog food, we first need to divide $6.75, the cost of 3 bags, by 3, to find the cost of one.

$6.75 / 3 = $2.25

Now that we know the cost of one bag, we can multiply the cost by two to find the cost of 2 bags.

$2.25 * 2 = $4.50

$4.50 for 2 bags of dog food

linda Put $610 in a savings account that pays 1.2% interest each year. Enrique puts $590 in a high-yield account that pays 3.9% interest each year.
PART A: After one year who has more money? How much more?
PART B: After a second year who has more money? How much more?

Answers

PART A: Linda has $4.41 more than Enrique after one year.

PART B: Enrique has $12.10 more than Linda after the second year.

PART A: After one year, we can calculate the amount of money each person has in their respective accounts.

For Linda's account:

Principal amount = $610

Interest rate = 1.2%

\(Interest $ earned = Principal $ amount \times (Interest rate/100) = $610 \times (1.2/100) = $7.32\)

\(Total $ amount after one year = Principal amount + Interest earned = $610 + $7.32 = $617.32\)

For Enrique's account:

Principal amount = $590

Interest rate = 3.9%

\(Interest $ earned = Principal amount \times (Interest rate/100) = $590 \times (3.9/100) = $22.91\)

Total amount after one year = Principal amount + Interest earned = $590 + $22.91 = $612.91

Comparing the two amounts, after one year Linda has more money.

The difference in the amount is:

$617.32 - $612.91 = $4.41

Therefore, Linda has $4.41 more than Enrique after one year.

PART B: After a second year, we need to calculate the amounts again.

For Linda's account:

Principal amount = $617.32

Interest rate = 1.2%

\(Interest earned = Principal amount \times (Interest rate/100) = $617.32 \times (1.2/100) = $7.41\)

Total amount after the second year = Principal amount + Interest earned = $617.32 + $7.41 = $624.73

For Enrique's account:

Principal amount = $612.91

Interest rate = 3.9%

\(Interest earned = Principal amount \times (Interest rate/100) = $612.91 \times (3.9/100) = $23.92\)

Total amount after the second year = Principal amount + Interest earned = $612.91 + $23.92 = $636.83

Comparing the two amounts, after the second year Enrique has more money.

The difference in the amount is:

$636.83 - $624.73 = $12.10

For similar question on Principal amount.

https://brainly.com/question/29430095

#SPJ11

What is the value of x in the equation below? One-third (12 x minus 24) = 16 2 6 8 10

Answers

Answer:

x = 6

Step-by-step explanation:

1/3(12x - 24) = 16

12x - 24 = 16 (3)

12x = 48 + 24

x = 72 / 12

x = 6

Answer:

B- 6

Step-by-step explanation:

Hope this helps :)

what is the slope of the line on the graph?

what is the slope of the line on the graph?

Answers

Answer:

1/6

Step-by-step explanation:

A (6,1)

B (12,2)

slope = (2-1)/(12-6)

1/6

What product is greater than 2 5/6

Answers

The products that are greater than 2 5/6 are B. 2 5/6 × 2 5/6,  C. 2 5/6 × 1 5/8 and  E. 6/5 × 2 5/6

Calculating the products that are greater than 2 5/6?

From the question, we have the following parameters that can be used in our computation:

Number = 2 5/6

The general rule is that

When a number greater than 1 is multiplied to 2 5/6, the product will be greater than 2 5/6When a number less than 1 is multiplied to 2 5/6, the product will be less than 2 5/6

Using the above as a guide, we have the following:

the products that are greater than 2 5/6 are B. 2 5/6 × 2 5/6,  C. 2 5/6 × 1 5/8 and  E. 6/5 × 2 5/6

Read more about expression at

https://brainly.com/question/15775046

#SPJ!

Question

Which products are greater than 2 5/6?

A. 1/8 × 2 5/6

B. 2 5/6 × 2 5/6

C. 2 5/6 × 1 5/8

D. 5/6 × 2 5/6

E. 6/5 × 2 5/6

|x+6| ≤ 8
Find the solution set?

Answers

Answer:  -14 ≤ x ≤ 2

Work Shown:

|x+6| ≤ 8

-8 ≤ x+6 ≤ 8

-8-6 ≤ x+6-6 ≤ 8-6

-14 ≤ x ≤ 2

luke wants to buy an ipod. determine the equivalent cash price if luke makes 18 monthly payments of $31.48 at an interest rate of 15.2% compounded monthly

Answers

Answer:

We can use the formula for the present value of an annuity:

PV = PMT x [(1 - (1 + r)^(-n)) / r]

where PV is the present value, PMT is the monthly payment, r is the monthly interest rate, and n is the number of payments.

Substituting the given values, we have:

PV = $31.48 x [(1 - (1 + 0.152/12)^(-18)) / (0.152/12)]

PV = $31.48 x [(1 - 0.5159) / 0.0127]

PV = $1,007.97

Therefore, the equivalent cash price of the iPod is $1,007.97.

What is the sum of 4th squared number and the 2nd cube number

Answers

Answer:

mark me as brinalist if answers are correct

What is the sum of 4th squared number and the 2nd cube number
The answer above is correct!

What is the end behavior of the following Polynomial ? P(x)=-3x^4+3x-2 *
O (up,down)
O (Down, Down)
O (Up,UP)

Answers

Answer:

up, down

Step-by-step explanation:

\(p(x) = - 3 {x}^{4} + 3x - 2\)

It is an even-degree polynomial. Therefore, the start of domain is the opposite the end of domain.

Meaning if the graph starts by decreasing, the graph will end by increasing.

Because the coefficient of highest degree is in negative. Therefore, the graph starts from negative infinity, increasing. The graph will end in positive infinity but decreasing.

Therefore, the answer is first choice.

If the random variable x is normally distributed with a mean equal to .45 and a standard deviation equal to .40, then P(x ≥ .75) is:

Answers

If the random variable x is normally distributed with a mean equal to 0.45 and a standard deviation equal to 0.40, then P(x ≥ .75) is 0.9227.

What is a Z-score?

A z-score describes the position of a raw score in terms of its distance from the mean when measured in standard deviation units. The z-score is positive if the value lies above the mean and negative if it lies below the mean.

Given the problem above, we need to find what the z-score is when P(x ≥ .75).

The formula for calculating a z-score is given by:

\(Z=\dfrac{\text{x}-\mu}{\sigma}\)

Where:

x is the value of 0.75\(\mu\) is the mean of 0.45And \(\sigma\) is the standard deviation of 0.40

Now,

\(Z=\dfrac{\text{x}-\mu}{\sigma}\)

\(Z=P(\text{x} \geq 0.75) = \huge \text(\dfrac{P(Z \geq (0.75 - 0.45)}{0.40}\huge \text)\)

\(Z= P\huge \text (\dfrac{Z \geq0.30}{0.40}\huge \text)\)

\(Z=P(Z \geq 0.75) = 1 - P(Z < 0.75)\)

\(Z=1 - 0.077337\)

\(Z\thickapprox 0.9227\)

Therefore, the z-score of P(x ≥ .75) is 0.9227.

Learn more about the z-score at:

https://brainly.com/question/31871890

How far does a wheel travel in 4 rotations with a radius of 36 inches?
Round to the nearest hundredths

Answers

The wheel will travel 904.32 inch when it take 4 rotation

How do you calculate distance using radius and revolutions?

Hint: To calculate the wheel's circumference, use the formula 2πr, where r is the radius and π=3.14 , to first determine the distance covered in one revolution. To determine the distance traveled, multiply the distance covered in one revolution by 200. In the end, multiply it by 100 to get the distance in meters.

In mathematics, what is the circumference?

The distance between the center of the sphere and any plane passing through it is known as the circumference. Any large circle that passes through a point known as a pole is called a meridian.

The circle's circumference must be known in order to compute the distance covered during one rotation. C=2πr is the formula for the circumference.

The radius, designated as r, is 36 inches. As a result, C=2π36 = 72π. The distance covered in one rotation is 226.08 inches because (pi) =3.14159, C=226.08 inches. So when we rotate this 4 times the it travels 226.08 * 4 = 904.32 inch

Learn more about circumference

https://brainly.com/question/27447563

#SPJ1

Find the surface area

Find the surface area

Answers

Answer: 120 yds

Step-by-step explanation:

48+30+24+18+120 yds

The surface area is going to be 120 yards

If A=(4,-5) and B=(7,-9), what is the length of AB

Answers

The length of line segment AB is 5 units.To find the length of line segment AB, we can use the distance formula, which is based on the Pythagorean theorem.

The distance formula calculates the distance between two points (x1, y1) and (x2, y2) in a coordinate plane.

Let's calculate the length of AB using the given coordinates for points A and B:

Coordinates of point A: A = (4, -5)

Coordinates of point B: B = (7, -9)

The distance formula is given by:

\(d = [(x2 - x1)^2 + (y2 - y1)^2]\)

Substituting the coordinates of A and B into the formula:

\(d = [(7 - 4)^2 + (-9 - (-5))^2]\\d =[(3)^2 + (-4)^2]\)

d = √[9 + 16]

d = √25

d = 5

Therefore, the length of line segment AB is 5 units.

The distance formula calculates the straight-line distance between two points in a two-dimensional space. In this case, it determines the distance between points A and B in the coordinate plane. By applying the formula and substituting the given coordinates, we find that the length of AB is 5 units.

For more such questions on distance formula.

https://brainly.com/question/661229

#SPJ8

Coweta Nutrition sells shakes for $3.39 each. They also sell tea for $2.50. If Mrs.
Morgan bought 1 tea and spent $19.45 this week, not including tax, how many
shakes did she buy?*

Answers

Answer:

she bought 5 shakes

Step-by-step explanation:

shakes: $3.39

tea: $2.50

2.50 + 3.39s = 19.45

3.39s = 16.95

s = 16.95 ÷ 3.39

s = 5

Check:

2.50 + 3.39(5) = 19.45

or

2.50 + 3.39 + 3.39 + 3.39 + 3.39 + 3.39 =  19.45

She bought 5 snakes

Partial products of 16 x 34

Answers

Answer:

544

Step-by-step explanation:

trust me math is easyyy

The required partial product is given as 340 + 204 = 544.

Given that,
To determine the partial product of the   16 × 34.

What is the partial product?

In mathematics, partial products are defined as multiplying each digit of one integer by each digit of another number while keeping each digit's place value.

here,
According to the question,
16 × 34 = [10 + 6] × 34
           = [10 × 34 + 6 × 34]
           = [340 + 204]
           = 544

Thus, the required partial product is given as 340 + 204 = 544.

Learn more about the partial products here:
https://brainly.com/question/24716925
#SPJ2

4x-y+ 2z=-1

Given the system -x+2y + 5z = 2, which is true?

|-x+y-3z= 1

Answers

Answer:

Y = 0

X= 1/2

Z = -1/2

Step-by-step explanation:

4x-y+ 2z=-1

-x+y-3z= 1

-x+2y + 5z = 2

Solving simultenously

Y= 4x + 2z -1

Y =1+ 3z+ x

Y =x/2 -( 5z/2) - 1

Equating y will give two equations

3x-z = 2

3x + 11z = -4

Subtracting the equations

-12z =6

Z= -1/2

Substituting z

3x +1/2 = 2

3x = 3/2

X= 1/2

Substituting x and z to find y in

-x+y-3z= 1

-1/2 + y +3/2 = 1

Y = 1-1

Y = 0

Answer: b) is answer

Step-by-step explanation:

Find the distance between the point (5,12) and the line y = 5x + 12 (rounded to the nearest hundredth).
A. 1.36 units
B. 2.19 units
C. 4.81 units
D. 4.90 units

Answers

The distance between the point (5,12) and the line y = 5x + 12 is 4.90 units

How to find the distance between a point and a line?

If a point P with the coordinates (x₁, y₁), and we need to know its distance from the line represented by ax + by + c = 0

Then the distance of a point from the line is given by the formula:

d = (ax₁ + by₁ + c) / √(a² + b²)

Given: the point (5,12) and the line y = 5x + 12. The line can be written as

5x-y+12 = 0. Thus:

x₁ = 5, y₁ = 12, a = 5, b = -1, c = 12. Substitute these into the formula:

d = (ax₁ + by₁ + c) / √(a² + b²)

d = (5×5 + (-1×12) + 12) / √(5² + (-1)²)

d = 25/√26 = 4.90 units

Therefore, the distance between the point and the line is 4.90 units. Option D is the answer

Learn more about distance between a point and a line on:

https://brainly.com/question/18276750

#SPJ1

Other Questions
What is the difference between county and local government? Smith Company sponsors a defined benefit pension plan. The beginning balance of plan assets is $5 million; the beginning balance of the PBO is $5.5 million; the expected rate of return is 8%, the discount rate is 6%, and the salary trend rate is 4%. The interest cost is equal to:___________. Positive reinforcement INCREASES the likelihood of the behavior happening again.O A. TrueOB. False What is the mass in grams of 4.63 mol of C8H18? An atomic scientist was studying an atom which through experimentation found that the total negative charge of the area surrounding the nucleus is -9. which statement corretly describes this atom? A.the atom has 9 clouds. B.the atom has 9 electrons C.the atom has 9 neutrons. D.the atom has 9 protons. Substance A decomposes at a rate proportional to the amount of A present. a) Write an equation that gives the amount A left of an initial amount A0 after time t. b) It is found that 8 lb of A will reduce to 4 lb in 4.6 hr After how long will there be only 1 lb left? a) Choose the equation that gives A in terms of A0, t, and k, where k > 0.b) There will be 1 lb left after 14 hr (Do not round until the final answer. Then round to the nearest whole number as needed.) What is the average number of times that a specific risk is likely to be realized in a single year?. QUESTION 36 OF 40Which of the following may indicate a potential drug overdose A laboring client's membranes have just ruptured. What is the nurse's next action? You may need to use the appropriate appendix table or technology to answer this question. Consider the following hypothesis test. Hu$ 50 H: > 50 A sample of 60 is used and the population standard deviation is 8. Use the critical value approach to state your conclusion for each of the following sample results. Use a = 0.05. (Round your answers to two decimal places.) (a) x = 52.6 Find the value of the test statist Modigliani Co. expects its EBIT to be $153003 every year forever. The firm can borrow at 7 percent per year. Modigliani currently has no debt, and its cost of equity is 13 percent per year. Suppose the tax rate is 0%, and there are no costs to bankruptcy. Calculate the value of the firm if they choose to increase their debt to equity ratio to 1.[Express your answer rounded to the nearest dollar (i.e. $123456). Do NOT use commas in your response.]Firm Value = $ How does exercise affect the function of each system? Which of the following options is correct?A fractional reserve banking system is one in which banks hold less than 100 percent of _____ in reserves.a. depositsb. securitiesc. loansd. shareholder equity Depressed mood is a widely known symptom of major depressive disorder. However, other symptoms may lead to a diagnosis of major depressive disorder, including significantGroup of answer choicesdecreases in anger and fear. Increases in energy and activity. Changes in appetite and sleep. Psychoses and phobias Write an equation for the formation of NH3(g) from its elements in their standard states. Express your answer as a chemical equation. Identify all of the phases in your answer. _______________________ Part B Find Hf for NH3(g) from Appendix IIB in the textbook. Express your answer using three significant figures. Hf = ______________ kJ/ mol Part C Write an equation for the formation of CO2(g) from its elements in their standard states. Express your answer as a chemical equation. Identify all of the phases in your answer. ___________________________ Part D Find Hf for CO2(g) from Appendix IIB in the textbook. Express your answer using four significant figures. Hf = ______________ kJ/ mol Mrs. Purple bought 3.5 yards of yellow fabric. She used of the fabric to make a chicken costume. Then she used the remaining fabric to make plush banana toys for her seven dogs. How much fabric was used to make each banana? let A={x|x Why did the neighborhood group replace the old trail?A. It was worn and no longer used by people.B. The river rose and destroyed parts of it.C. The city thought it was a safety problem.pls answer quick What is the value of x, if the perimeter of the rectangle is 37?This is the problem : Optimized Co. has a current period cash flow of $1.1 million and pays no dividends. The present value of the companys future cash flows is $13 million. The company is entirely financed with equity and has 630,000 shares outstanding. Assume the dividend tax rate is zero.a.What is the share price of the company's stock? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)b.Suppose the board of directors of the company announces its plan to pay out 50 percent of its current cash flow as cash dividends to its shareholders. Jeff Miller, who owns 1,300 shares of the company's stock, wants to achieve a zero payout policy on his own, by buying or selling shares. How many shares should he sell or buy? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.)