The school is holding an art fair for a fundraiser. there are three rooms from which to choose, each with 4 tables of activities. how many different activities can be done at the art fair?

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