Answer:First Picture: -2/7Second Picture: 9/5Third Picture: 5/3Not sure of the othersStep-by-step explanation:Pick two points on the line and determine their coordinates.Determine the difference in y-coordinates of these two points (rise).Determine the difference in x-coordinates for these two points (run).Divide the difference in y-coordinates by the difference in x-coordinates (rise/run or slope).