Using the quadratic formula, which of the following are the zeros of the quadratic equation below?
y = x2 - X-5
A. x = 11/19
O B. x149
O C. x-lt
2
o D. x=-11/21
O

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! )