What is ? |-41| -|18| + 12

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.

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?

Iknow the answer but the calculator doesn't seem to give the right one