Need help solving this

A. 13

B. 9.8

C. 19

D. 8.7

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?