A $20,000 car depreciates about 15% each year. Given the equation V(t)=20000(.85)^t where V is the value in dollars and t is measured in years. After how many years is the car worth half the original value? Give your answer to 3 decimal places.

Can someone answer this question? : )

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?

There are 3232 forwards and 8080 guards in leo's basketball league. leo must include all players on a team and wants each team to have the same number of forwards and the same number of guards. if leo creates the greatest number of teams possible, how many guards will be on each team?