I need help so badley with statistics, I have been out sick and have this due tomorrow. I have a couple questions if you are willing to help. it'd be a ton!

Asalesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earnings is 320 + 0.08x. which of the following describes the sales necessary for the salesperson to earn at least $1000 in the one week?

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1