Anyone could help me wit dis question

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

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