Multiply 3a and (2a+6b​

Will give brainliest summations with algebraic expressions image shown

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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: