PLZ HELPPP!! If you spin the spinner 4 times, what is the expected value of the sum of the 4 results? 2.5, 10, 12.5, 20, 25

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

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?