Explain how to write and solve an equation to find an unknown side length of a rectangle when given the perimeter.

Which is the completely factored from of xy^3-x^3y

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

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