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I have posted a link there to this topic so the OP can see my work.Find the rate at which water is being pumped into the tank.?

1.) Water is leaking out of an inverted conical tank at a rate of 10,000 cubic centimeters per minute at the same time that water is being pumped into the tank at a constant rate. The tank has 6m (600 cm) and the diameter of the top is 4m (400 cm). If the water level is rising at a rate of 20 centimeters per minute when the height of the water is 2m (200 cm), find the rate at which water is being pumped into the tank.

2.) At noon, ship A is 150 km due west of ship B. Ship A is sailing east at 35km/h and ship B is sailing North at 25km/h. How fast is the distance between the ships changing at 4:00 pm?