Sixty percent of a roof, or 1500 square feet of the roof, has been re-shingled. what is the total area of the roof?
a. 90,000 sq ft
b. 9000 sq ft
c. 25,000 sq ft
d. 2500 sq ft

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

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?

If i have 20$ and i gave 5$ away how much i got