The base and height of a triangle are measured as inches and inches, respectively. Suppose that each measurement has a possible error of at most inches. Use differentials to estimate the maximum error in the calculated area of the triangle. What is the estimated maximum error in the area of the triangle if the base and height are measured with errors at most inch

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?