12) the function h = -16t- + 70t models the height h, in feet, of a soccer that is kicked from the
ground at time t, in seconds, after it is kicked. how long does it take the soccer to reach a height of
(a) 45 feet the first time?
(b) 45 feet the second time?

answer: this doesnt make any sense especially the photo.

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

4

step-by-step explanation:

"exterior angles = 360 / number of sides.

60 = 360 / sides

sides = 360 / 60

sides = 6"