Pls help fktskcjxqkdgmswm sorry I just need to put more words in

An astronaut drops a rock into a crater on the moon. the distance, d(t), in meters, the rock travels after t seconds can be modeled by the function d(t)0.82. what is the average speed, in meters per second, of the rock between 5 and 10 seconds after it was dropped?

Carly bought a new house for $125,000. the value of the house appreciates approximately 3.5% each year. what will be the value of the house after 10 years?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8