Find the coordinates of the midpoint of the line segment PQ.P(7, 7), Q(-9, 9)
A. 
B. 
C. (-2, 16)
D. (16, -2)
Answer: B
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Let R, F, L, B, T, U mean rotate 90° clockwise the right, front, left, back, top, and under faces, respectively. Name the move that will return the cube to standard position after making the move BU.
What will be an ideal response?
Identify the base. Do not evaluate.1513
A. 28 B. -13 C. 13 D. 15
Find the perimeter of the rectangle or square. 
A. 14 yd B. 28 yd C. 16 yd D. 12 yd
Solve the problem.Economists use what is called a Leffer curve to predict the government revenue for tax rates from 0% to 100%. Economists agree that the end points of the curve generate 0 revenue, but disagree on the tax rate that produces the maximum revenue. Suppose an economist produces this rational function 
where R is revenue in millions at a tax rate of x percent. Use a graphing calculator to graph the function. What tax rate produces the maximum revenue? What is the maximum revenue?
A. 35.8%; $209 million B. 34.9%; $207 million C. 37.5%; $210 million D. 39.6%; $209 million