just number 9 is good

to part (a) ing about units, it is clear that 65 + 2t - 400 is an incorrect answer 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. 9. A car trip costs $3 per twenty miles for gas and $30 for car rental. The total cost for a trip of m miles is given by: Total cost= 3 (20 m + 30 m a. Explain what 20 represents in terms of the trip. m b. Explain what 3 20 represents in terms of the trip. m c. What are the units of 3 20 + 30