Help please I’m confused

Sandy works at a clothing store. she makes $7 per hour plus earns 15% commission on her sales. she worked 75 hours over the last two weeks and had a total of $2,566 in sales before taxes. which of the following is closest to how much she will earn in hourly wages and commission for those two weeks?

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is