What is this? The standard form

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?

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

Math question.. plz me .. best answer all