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(1 point) A conical water tank with vertex down has a radius of 15 feet at the top and is 30 feet high. If water flows into the tank at a rate of 10ft3/min, how fast is the depth of the water increasing when the water is 17 feet deep? The depth of the water is increasing at ft/min.
(1 point) A plane flying with a constant speed of 24 km/min passes over a ground radar station at an altitude of 13 km and climbs at an angle of 35 degrees. At what rate is the distance from the plane to the radar station increasing 2 minutes later? The distance is increasing at km/min.