A conical tank (with vertex down) is 12 feet across the top and 18 feet deep. If water is flowing into the tank at a rate of 18 cubic feet per minute, find the rate of change of the ) depth of the water when the water is 10 feet deep. = ^2ℎ (

A conical tank with vertex down is 12 feet across the top and 18 feet deep If water is flowing into the tank at a rate of 18 cubic feet per minute find the rate class=