The area of the base of a cylinder is 42 square inches and its height is 13 inches. A cone has the same area for its base and the same height. What is the volume of the cone? please help

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

For the equations below which statement is true ?

Graph the linear function using the slooe and y intercept