Write an equation of the line, in point slope form, that passes through the two given points.

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?

What are the values of each variable in the diagram below?

Indicate the formula for the following conditions: p^c(n,r)=