Use the interactive graph to plot each set of points.

Which sets represent proportional relationships? (Check all that apply)

O (3,1),(6,2),(9,3)
O (2,4),(4,6),(7,9)
O (1,5,3),(3,6),(4,8)
O (3,1),(4,3),(8,7)
PLZ HELP IM DUMB

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