Lisa knows that A and B are both vertical and supplementary. Which conclusion is true? A and B are both adjacent
A and B are both 90 degree angles
A and B are both acute angles
A and B are corresponding angles

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