Translate the question into an equation. Do not solve.8% of what number is 39?
A. 8 ? 39 = x
B. 8 ? x = 39
C. 8% ? x = 39
D. 8% = 39 ? x
Answer: C
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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated line.About the line y = 2x = 6
(solid)
A. 
?
B. 
?
C. 
?
D. 6?
Solve the problem.If y varies directly as x, and y = 3 when x = 4, find y when x = 28.
A. 
B. 21
C. 
D. 
Solve the problem.Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 4.7 feet per second. Find a function, d(t), which gives the distance Ken is from the streetlight in terms of time. Find a function, 
, which gives the length of Ken's shadow in terms of d. Then find 
.
A. (S ? d)(t) = 4.47t B. (S ? d)(t) = 7.94t C. (S ? d)(t) = 3.53t D. (S ? d)(t) = 2.59t
Use a graphing utility to graph the polar equation.r = 2 sin 
A. 
B. 
C. 
D. 