Choose 2 axioms that allows 22 + (m + 8) to be written as m + 30 commutative - addition distributive commutative - multiplication identity - addition symmetric associative - addition associative - multiplication

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola 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? write your answer as a decimal rounded to the nearest tenth