Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20
B. 100
C. 10
D. 500
Answer: C
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Rationalize the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Use the rational zero test to find all the rational zeros of f(x).f(x) = 4x4 + 28x3 - 33x2 - 7x + 8
A. Zeros: -1, 8, -1/2, 1/2 B. Zeros: 1, -8, 1/2, -1/2 C. Zeros: -1, -8, 1/2, -1/2 D. Zeros: 1, -8, 2, -2
Solve the problem.Matthew has two different stocks. One of the stocks is worth twice as much per share as the other. He has 15 shares of the more valuable stock and 33 shares of the other stock. His total assets in stocks is 
How much is the more expensive stock worth per share?
A. $64 per share B. $66 per share C. $60 per share D. $58 per share
The distance d from the point (x1, y1) to the line Ax + By = C is given by the formula 
Find the exact distance from the given point to the given line.(-2, 7), 5x + 12y = 8
A. 
B. 6
C. 
D. 