If a roller coaster has the potential energy of 250 joules right before it plunges down the track, what is its potential energy half way through the run?

Find an equation of the line perpendicular to the graph.

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

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?