I dont know this one I will give yiu Brainlist

Triangle xyz has vertices x(1,3), y(0,0)

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

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60