The two radii of the frustum of a right circular cone are increasing at a rate of 7 centimeters per minute, and the height is increasing at a rate of 16 centimeters per minute (see the figure below). Find the rate at which the volume is changing when the two radii are 18 centimeters and 27 centimeters, and the height is 13 centimeters.
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Answer: B
Mathematics
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Find the square root.
A. 12 B. 24 C. 13 D. 72
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Solve the problem.A wind has an easterly component of 7 km/h and a northerly component of 17 km/h. Find the direction of the wind.
A. E 37.5° N B. E 22.4° N C. E 52.5° N D. E 67.6° N
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This frequency table gives the distribution of ages of 100 people in a small town.
How many people are:Less than 40 years of age
A. 58 B. 72 C. 14 D. 22
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Match the polynomial function with the graph.y = 3x3 + 3x2 - 21x - 15
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B. 
C. 
D. 
Mathematics