(2x+3y)+(8x+10y) simplify the following

How do you graph linear equation x+y=4

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

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?