Please help me asap.

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

Ill mark the brainliest if you me with the these three questions 7,8,9

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28