Hassan wants to save $700 to buy a TV. He saves $17 each week. The amount, A (in dollars), that he still needs after w weeks is given by the following function A (w) = 700 - 17w

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas