Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by the circle x2 + y2 = 25, on the right by the line 
, and above by the line y = 5
A. 125?
B. 
?
C. 
?
D. 
?
Answer: B
Mathematics
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Find the length of the curve.x = 
(t3 - 3t), y = t2 + 5, 0 ? t ? 1
A. 
B. 
C. 
D. 2
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The polar equation of the graph is either r = a + b cos ? or r = a + b sin ?, a > 0, b > 0. Match the graph to one of the equations. 
A. r = 3 + 4 cos ? B. r = 3 + 4 sin ? C. r = 4 + 3 cos ? D. r = 4 + 3 sin ?
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.
A. - 
B. -2
C. -
D. - 
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Find the perimeter of the rectangle or square. 
A. 4 ft B. 12 ft C. 16 ft D. 8 ft
Mathematics