An inverted cone has a height of 11 inches and an initial radius of 18 inches The volume of the inverted cone is decreasing at a rate of 541 cubic inches per second with the height being held constant What is the rate of change of the radius in inches per second when the radius is 5 inches Submit an exact answer Do not forget to include a negative sign if the radius is decreasing Remember that the volume of a cone is V r h Provide your answer below