I need help i will cash app or venmo anyone please this is my last test of the term

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

If rt is greater than ba, which statement must be true ?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.