What is the solution set to the inequality 5(x - 2)(x + 4) > 0? O {x> -4 and x <2}
O {XIX<-4 or x > 2}
O {x| X <-2 or x>4}
O {xl x>-2 or x <4}

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! )