Find the Area Please​

Solve |x| > -9 a) {x|x< -9 or x> 9} b) all reals c) no solution

What are “like terms”? why can we only add like terms?

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work: