Solve the following circle graph problems.If total expenses are $960 and the cost of books is $48, how many degrees in a circle graph would books represent?
A. 20°
B. 22.5°
C. 15°
D. 18°
Answer: D
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Find the average velocity of the function over the given interval. y = 
, [2, 8]
A. - 
B. 7
C. 
D. 2
Eliminate the parameter of the pair of parametric equations.x = t - 3, y = t2 + 5
A. y = x2 - 14 B. y = x2 + 6x + 14 C. y = x2 - 6x - 14 D. y = x2 + 14
Provide an appropriate response.The price charged for 2 different paperback books at two different bookstores can be represented by the matrix P = 
. The quantities of each book sold at each store can be represented by the matrix Q = 
. Use the matrix operations on a graphing calculator to show that the transpose of the income generated (PQ)T is equal to the product of the transposes of P and Q in reverse order, QTPT.
What will be an ideal response?
Provide an appropriate response.Jessica wanted to solve the following problem: The price of an item increased by 15%. The amount of the increase was $86. What was the price of the item before the increase? She wrote the following equation: 15% × 86 = x. Will this equation will give her the correct answer? If not, what is the correct equation?
What will be an ideal response?