In 2017, the value of Mr. Chhim's car was $12,000. The value of his car decays at a rate of 10% per year. Write the exponential function that represents the value of Mr. Chhim's car. Use y to represent the value of the car and x to represent the number of years since 2017

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π