Anyone know the answer to this ?

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

Add the fractions and simplify 1/2+ 1/3

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.