how many seconds will the ball be in the air before it hits the ground if it is launched from a height of 3 feet at a velocity of 1500 ft./s? Assume no wind resistance

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30