Can someone help me out with this?

What is coefficient of the term of degree of degree 5 in the polynomial below

Which of the following parabolas opens up?

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