Tony has $20. He wants to buy at least 4 .
snacks. Hot dogs (x) are $3 each.
Peanuts (y) are $2 each.

What is the equation of the graph below? y=sec(x)-4

Prove that quadrilateral is a rhombus.

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?