Given: 9-4x = -19
Prove: x = 7

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 =

Factor the polynomial. b^2 + 4b + 4

Which rule describes the composition of transformations that maps △abc to △a”b”c