What is the value of cos(infinity)?

X-intercept=-5 y-intercept=2 the equation of the line is

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

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?