Acar loses value each year the value of the car (t) years ‏ can be modeled using the function f(t)=15000(0.85) ^t. if elizabeth wants to sell her car in 2 1/3 years what will the cars value be when she sells it?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm