a. Use the Data displayed by the bar graphs to find the average admission charge for a ticket in 1955.

The bar graphs show box-office receipts, in millions of dollars, and box-office admissions, in millions of tickets sold, for five selected years. The polynomial models of degree 2 can be used to describe the data in the bar graphs, where R is receipts, in millions of dollars, A is Receipts Admissions admissions, in millions of tickets sold, and x Millions of Dollars 10000- 7665 _8944 8000- Millions of Tickets 1500- 1200-102511921266 14231393 represents the number 6000- 50215494 900- of years after 1975. 4000-2746 600- Complete parts a. 2000- 300- through d. 1975 1985 199019952000 19751985 199019952000 R=3.5x + 157x +2785 A= -0.3x~+21x + 1020 a. Use the data displayed by the bar graphs to find the average admission charge for a ticket in 1995. $ (Round to the nearest cent as needed.)