13/5 + 8 1/5 a.10 1/5 b.10 1/10 c.9 2/5 d.9 1/10

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?

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?