Geometry please help thanks

The median for the given set of six ordered data values is 29.5 9 12 25 __ 41 48 what is the missing value?

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

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