A gym membership at a gym in Al Barsha South costs $10 every month plus a onetime membership fee of $15, and a gym membership at another gym in Silicon Oasis costs $4 every month plus a one-time $40 membership fee. After about how many months will the gym memberships cost the same amount?

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 =