How do i simplify 5x + -2x + 6x + -x + 3x + 15x. ?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?