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. ?rh2
B. ?rh
C. 2?r2h
D. ?r2h
Answer: D
Mathematics
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In a right triangle, find the length of the side not given. Where appropriate, give an approximation to three decimal places.b = 3, c = 
A. a = 5.745 B. a = 23.812 C. a = 3.873 D. a = 4.873
Mathematics
Solve the inequality by using the graph of the function.f(x) > 0, where f(x) = (x + 5)(x - 1)2.
A. (-?, ?) B. (-5, ?) C. (-5, 1) ? (1, ?) D. (-5, -1) ? (-1, ?)
Mathematics
Simplify. Write final answer in radical form when necessary.
A. 7
B. 
C. 
D. 
Mathematics
Solve the equation.-7x + 3 - 5(x + 1) = 5x - 1
A. 
B. 
C. 
D. 
Mathematics