A merchant offers a large group of items at 18% off. Later, the merchant takes 10% off these sales prices and claims that the final price of these items is 86 off the original price. What is the total percent discount?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Tom drove 206 miles in 3.9 hours. estimate his average speed.