Elizabeth went to the mall to look for a dress to wear to the Back-to-School Dance. She found that two different stores had the same dress she wanted but at different prices. Dress-Up had the dress on sale for $79.99. Cool Girls had the dress for $109 with a 30% off coupon given to each customer at the register. From which store should Elizabeth buy the dress?

Harold wrote this equation to model the level of water in a pool over time. the variable x represents time in hours. f(x) = 3,500 - 225x which statements about the situation are true? check all that apply. the water level is rising. the water level is falling. the initial level of water in the pool was 3,500 units. the initial level of water in the pool was 225 units. the pool was empty after 14 hours. the water was 2,600 units high after 4 hours.