Y = 2 ( x + 3 ) ( x - 4 )

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?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Ineed to know the answer to this algebra question.