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One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

The trigonometric ratios sine and secant are reciprocals of each other

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?