Can someone me figure this one out?

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

What is the solution of |2x-5|< 21

When you divide a fraction less than 1 by a whole number greater than 1 is the quotient less than, greater than, or equal to the dividend?