Solve the problem.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 1380 cubic inches and the height is 14 inches, what is the radius? Use 3.14 for ?, and round your answer to the nearest tenth of an inch.
A. 10.2 in.
B. 0.1 in.
C. 5.6 in.
D. 9.7 in.
Answer: D
Mathematics
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Graph the line given the slope and a point on the line.Slope = - 1; (-2, 1)
A. 
B. 
C. 
D. 
Mathematics
Write one or more inequalities that describe the set of points.The interior of the sphere of radius 3 centered at the point (-5, -2, 5)
A. (x + 5)2 + (x + 2)2 + (x - 5)2 < 9 B. (x - 5)2 + (x - 2)2 + (x + 5)2 ? 9 C. (x - 5)2 + (x - 2)2 + (x + 5)2 > 9 D. (x + 5)2 + (x + 2)2 + (x - 5)2 > 9
Mathematics
Solve the proportion.
= 
A. 1.5 B. 12 C. 6 D. 130.7
Mathematics
Find a and b.If |x + 1| ? 2, then a ? 
? b.
A. a = 
, b = 
B. a = 
, b = 
C. a = 
, b = 
D. a = 
, b = 
Mathematics