Find the value of the polynomial for the given replacement value.-6x - 9 for x = -1
A. -3
B. -15
C. 3
D. 15
Answer: A
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Find the area of the region specified in polar coordinates.the region enclosed by the curve r = 7 + cos ?
A. 33?
B. 
?
C. 25?
D. 50?
Factor completely. If the polynomial is prime, so state.64x2 - 48x + 9
A. (64x + 1)(x + 9) B. (8x - 3)2 C. (8x + 3)2 D. (8x - 3)(8x + 3)
Solve the problem.A right circular cylinder is obtained by revolving the region enclosed by the line x = r, the x-axis, and the line 
about the y-axis. Find the volume of the cylinder.
A. ?rh B. 2?r2h C. ?rh2 D. ?r2h
Solve the problem.An honest coin is tossed n times. Let the random variable X denote the number of heads tossed. How many tosses n are required to be 97.5% certain that X will be less than 
+ 20?
A. 100 B. 400 C. 800 D. 200 E. none of these