Find the area of each regular polygon. Round to the nearest tenth.

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?

Can somebody me out with this question

The square root of 9x plus 7 plus the square rot of 2x equall to 7