Two boys are throwing a baseball back and forth. the ball is 4 ft above the ground when it leaves one child’s hand with an upward velocity of 36 ft/s. if acceleration due to gravity is –16 ft/s2, how high above the ground is the ball 2 s after it is thrown? h(t) = at2 + vt + h0 a 12 ft b 20 ft c 76 ft d 116 ft

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?