Need help on c. and d.

The product of two negative rational numbers is always zero sometimes zero never zero

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Which value of y will make the inequality y< -1 false?