Pears cost $0.92 per pound and apples cost a dollar $ 1.10 per pound mr. bonilla bought 3.75 pounds of pears and 2.1 pounds of apples how much did he pay for the pears and apples

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