Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated axis.About the y-axisx = 2
A. 
?
B. 
?
C. 
?
D. 
?
Answer: A
Mathematics
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Decide whether the figure is convex or concave.
A. Convex B. Concave
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Use dimensional analysis to convert the unit indicated.2 m to yd
A. 1.8 yd B. 0.6 yd C. 2.2 yd D. 0.5 yd
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Consider the set S of all strings of a’s and b’s. For each integer n ? 0, let
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Answer the question.The radius of a right circular cone is given by the formula 
, where V is the volume and h is the height. If the volume is 1558 cubic inches and the height is 19 inches, what is the radius? Use 3.14 for ?, and round your answer to the nearest tenth of an inch.
A. 8.9 inches B. 5.1 inches C. 9.3 inches D. 0.1 inches
Mathematics