so if, water is draining from a conical tank with height 12 feet and diamete 8 feet in a cylindrical tank that has a base with area 400 pi square...

so if, water is draining from a conical tank with height 12 feet and diamete 8 feet in a cylindrical tank that has a base with area 400 pi square feet. the depth h, in feet, of the water in the conical tank is changing at the rate of (h-12) feet per minute.let y be the depth, in feet, of the water in the cylindrical tank. at what rate is y changing when h=3?