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.

Your client has saved $1,860 for a down payment on a house. a government loan program requires a down payment equal to 3% of the loan amount. what is the largest loan amount that your client could receive with this program

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Does the point (1, sqrt 7) lie on circle shown.