If it is 8:50 what time would it be a half and hour later

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

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! )

Select the correct answer and solve for y