Andrea and her partner and writing a 12-page science report. they completed 25% of the report in class and 50% of the remaining pages after school. how many pages do andrea and her partner still have to write?
possible answers are 3.5, 4.5, 6, and 9.

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