Write < ,> or =, in the square.1.) 13/20□ 65%

How do you determine whether a relationship represented as as graph is linear or nonlinear

We just started the introduction into circles and i have no idea how to do this.

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?