The rooftop of a 7-story building is 75 feet above the ground. How long does it take a water balloon dropped from the rooftop to hit the ground?

Distance fallen in feet at time t in seconds d(t) = 16t squared

answer is because 4×10=40

and 98×4= is 392

40,392

what are you doing do you need examples of variable questions?

step-by-step explanation:

5a-1=9               bring the one over the =

5a=10                     divide by your variable

a=2

brainliest? ?

here try this one

3a-24=0

answer: 1475

step-by-step explanation:

becuase you have to know what they are asking you