Which term describes a relationship in which one quantity is a multiple of the other quantity

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?

Select a graph that have an equation with a < 0

How do you find the circumfrance of a circle?