Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Answer: B
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Find the focus and directrix of the parabola.- 
x2 = y
A. (0, -10); y = -10 B. (-20, 0); x = 10 C. (0, 10); y = -10 D. (0, -10); y = 10
Solve the problem.Jane wants to buy a photocopier. The salesman has the following information on 3 models. If all 3 are used, a specific job can be done in 50 minutes. If copier A operates for 20 minutes and copier B for 50 minutes, one-half the job is finished. If copier B operates for 30 minutes and copier C for 80 minutes, three-fifths of the job is done. Which is the fastest copier, and how long does it take for this copier to finish the whole job?
A. B is fastest; 100 min B. C is fastest; 120 min C. C is fastest; 100 min D. A is fastest; 120 min
Graph the exponential function.y = 
x
A. 
B. 
C. 
D. 
Find the volume of the following right prism. Round to the nearest tenth unless indicated otherwise.
A. 10,400 in3 B. 10,600 in3 C. 21,200 in3 D. 21,100 in3