An arrow is shot vertically upward at a rate of 250 ft/s. Use the projectile formula h= -16t2 + vot to determine at what times in seconds the arrow is at a height of 500 ft

Given the following statements, which is the best

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?

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.