Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 1, x = 0 to x = 
A. 
- 
B. 
- 
C. 
+ ?
D. 
- ?
Answer: B
Mathematics
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Solve the problem.To measure the width of a river, a surveyor starts at point A on one bank and walks 72 feet down the river to point B. He then measures the angle ABC to be 
Estimate the width of the river to the nearest foot. See the figure below. 
A. 66 ft B. 173 ft C. 30 ft D. 28 ft
Mathematics
Find the unknown value in the percent proportion 
Round to the nearest tenth, if necessary.whole = 110, percent = 20
A. part = 11 B. part = 18.2 C. part = 22 D. part = 55
Mathematics
Solve the equation.x - 7 = -4 - 29
A. -40 B. 26 C. -26 D. 40
Mathematics
Find the area of the figure.
A. 27 ft2 B. 49 ft2 C. 126 ft2 D. 63 ft2
Mathematics