Which of these is not a possible r-value?

In the 30-60-90 triangle below side s has a length of and side r has a length

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

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?