Mr. r comments on a test, "well, the class average on that test is exactly 83. if i take away the best score, the average is exactly 82." if there are 16 students in the class, what is the best score?

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