Write two ratios that are equivalent to 1:1

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In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Which choice represents the sample space ,s for this event

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?