Working togethwr it takes two different sized hoses 40 minutes to fill a small swimming pool. if it takes 65 minitues for the large e hose to fill the swimming pool by itself, how long will it take the smaller hose to fill the pool on its own

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =