A person must be at least 18 years old to vote. The inequality a z 18 represents the possible ages a in years at which a person can vote. Determine 91.5 are solutions of the inequality, whether a = 18, a = 17, and a = and tell what the solutions mean.

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?