If you answer this question, i want you to answer all of it. not just 2 questions and say "im sorry, i dont know the rest"

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

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