Multiple Choice
A conical tank (with vertex down) is 20 feet across the top and 18 feet deep.If water is flowing into the tank at a rate of 20 cubic feet per minute,find the rate of change of the depth of the water when the water is 12 feet deep.
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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