Find all rational zeros of the polynomial. (Enter your answers as a comma-separated list. Enter all answers including repetitions.) Write the polynomial in factored form. P(x)=__
Please dont cheat for points I need this for my exam

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 =