Painter a charges $376 plus $12 per hour and painter b charges $280 plus $15 per hour. in how many hours will they cost the same?

If you were constructing a triangular frame, and you had wood in the length of 4inches, 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