Geometry Geometry Geometry

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

Volume of a cylinder with a radius of 13 in and height of 30 in

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second