PLEASE HELP ME I am Desperate.
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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?

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Simplify. 3(4+4x) (type your answer in with no spaces)