Na raffle, scott buys 10 tickets and his friend tom buys 6 tickets. if there are 80 tickets sold, what is the probability that scott or tom will win?

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.