Hello I need help with exercise number 8 part a,b, and c.

8. A parachuter's distance from the surface of the Earth is approximately 7.6t + 1,500 meters t seconds after she opens her parachute.

a. What does 1,500 represent in the context of the question? Be sure to state units.

b. What does 7.6 represent in the context of the question? Be sure to state units.

c. What does 7.6t represent in the context of the question? Be sure to state units.