Question 7

no stupid answers, 25 points up for grabs. will give brainliest to the best answered and explained.

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?

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?

Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense