Fill in the blanks to find x

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

How do i solve uniform motion problems?

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?