I NEED HELP FAST! The function h(t) = −16t2 + 72t + 52 models the flight of a ball that is thrown from the roof of Perry High School, where h(t) is the height of the ball in feet after t seconds.

Part A: What is the maximum height of the ball?

Part B: After how many seconds does the ball reach its maximum height?

the aswere is the one with all 8's and the second one is with the 10,8 and 6

step-by-step explanation:

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5

im pretty sure its

(8,15)

step-by-step explanation:

answer:

1.14285714286

step-by-step explanation:

divide 40 into 35 and you will get your answer