During the day, sam spent $4.85 lunch. he also bought 2 books for $7.95 each. at the end of the day, he had $8.20 left. how much money did he start with?

Which expression is equivalent to 3^3 + 2^2?

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection