I really need help I’m struggling right now. Will give brainliest

3x + 4y = 5 x- 3y = -7 solve by substitution

What is the area of the shaded sector?

50 points and will mark brainlest 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: