Nancy created a graph to predict the pay she will take home after taxes are taken from her income. Using the information on the graph, what is the constant of proportionality? A line graph titled Nancy's Pay has Nancy's Income on the x-axis and Take Home Pay on the y-axis. At 60 dollars of income, she has 48 dollars of take home pay. At 130 dollars of income, she has 104 dollars of take home pay. 0.48 0.6 0.8 1.25