1. (07.01 LC) Choose the correct classification of 5x + 3x2 - 7x3 + 2. (5 points Third degree polynomial Fourth degree trinomial Sixth degree polynomial First degree binomial​

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )