Select the equations of the lines that are parallel to the line whose equation is y = 3x + 5. 6x + 2y = 12 -3x + y = 8 3y = 9x y = -1/3x

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?

Precalculus question, image attached.

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3