Solve the inequality p - 9 is less than -9

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so

If f(x)=-3x+2 and g(x)=-7x-2, which point represents f(x)=g(x)?

Sections of prefabricated woods are each 5 1/3 feet long, how long are 7 1/2 sections placed end to end?