One month, ruby worked 8 hours more than isaac, and svetlana worked 4 times as many hours as ruby. together they worked 112 hours. find the number of hours each person worked.

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