Andrew pays $21,000 for a car that depreciates at a rate of 15%. Use an exponential decay function to determine how much the car will be worth after 7 years.

What is the value of r of the geometric series?

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x