What is the product of -1 3/8 and 2 4/5?

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?

Adistribution has the five-number summary shown below. what is the third quartile, q3, of this distribution? 22, 34, 41, 55, 62

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.