Aperson standing close to the edge on top of a 72-foot building throws a ball vertically upward. the quadratic function h(t)=−16t2+84t+72h(t)=-16t2+84t+72 models the ball's height about the ground, h(t), in feet, t seconds after it was thrown.

won't that be plagrisim thought?

step-by-step explanation:

12

step-by-step explanation:

12 + 5 = 17

12x2=24

24-7=17

1^3 + 2^3 + 3^3 +4^3 = (1+2+3+4)^2

step-by-step explanation:

i am only able to answer the first part. i am not sure about the second part. sorry