Cameron sponsored a fundraiser that 582 people attended. He raised 6480. He he charged 15 for balcony seats how many people bought balcony seats and how many bought ground seat

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