Car sales name sales patrick 8 jeffrey 12 robin 7 sally 15 manuel 4 ming 10 jesse 12 mark 17 jenna 16 the owner of a car dealership keeps track of the monthly car sales for the salespeople at the dealership. what is the range for the number of cars sold?

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