.) Write an expression that is equivalent to -13y + 7-11 - 4y.

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

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

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.