Why is point , line , and plane considered the 3 building blocks of answer fast

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

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?

Twelve less than a number is at most 20