Jason purchased a pack of game cards that was on sale for 13% off. the sales tax in his county is 8%. let y represent the original price of the cards. write an expression that can be used to determine the final cost of the cards.

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

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?

What is the surface area of a cube with the volume of 729 ft?