The value of a car is $29,300. It loses 9% of its value every year. Write a function that represents the value y (dollars) of the car after x years. Find the approximate value of that car after 3 years.

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?