Select all that apply A 2( x+ 3.5)

B 4x+7

C 6x+7

D x + x + (x+3.5) + ( x+3.5)

E 3x + 3.5

F x(x+3.5)

G 2x + ( x + 3.5)

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 =