a large box is being pushed with a force of 30 N across the floor to the right. friction is acting on the box at a force of 15 N to the left, what is the net force? is this force balanced or unbalanced?

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?