Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match the initial values and rates of change with the lines of best fit on the scatter plots. the initial value is 15, and the rate of change is 5. the initial value is 20, and the rate of change is 4. the initial value is 20, and the rate of change is -4. the initial value is 20, and the rate of change is -5. the initial value is 15, and the rate of change is -3.