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He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Ineed to know the answer to this algebra question.

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