Quick ! am i correct on the one that has the answer's in the boxes?

Me asap! what is the slope of this line? enter your answer in the box.

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?

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x