A line passing through which of the following pairs of coordinates represents a proportional relationship-A-(1,2) and (2,3) , B-(1,1) and (1,3) , C-(1,3) and (2,6) , D-(1,3) and (3,6)

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat