Using complete sentences, state the similarities and differences between a set union and a set intersection.

Average acceleration: i have no idea how to do this.

Find the domain of the following expression: 1/(√x)-2

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?