Provide an appropriate response.
Find the area of a parallelogram with b = 22 m and h = 20 m.
A. 440 m2
B. 220 m2
C. 110 m2
D. 880 m2
Answer: A
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(5a3b/3ax)(21xb/30a2b) =
a. 7ab-1/6x-1 b. 7b-1x-1/6 c. 7b/6 d. 21ax2/18b3 e. 105ab2/90b3x
The middle term of the trinomial has been rewritten. Now factor by grouping.y2 + 6y + 4y + 24
A. (y + 6)(y + 4) B. (y + 6)(y - 4) C. y(y + 34) D. (y - 6)(y - 4)
Graph the piecewise linear function.f(x) = 
A. 
B. 
C. 
D. 
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. 37.5%; $210 million B. 35.8%; $209 million C. 34.9%; $207 million D. 39.6%; $209 million