I need help with Geometry

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?

What is x3+3x2−16x−48 divided by x−1?

Graph the line with the given slope m and y-intercept b. m=-3,b=1