Sandy works at a clothing store. she makes $9 per hour plus earns 10% commission on her sales. she worked 80 hours over the last two weeks and had a total of $2,372 in sales before taxes. which of the following is closest to how much she will earn in hourly wages and commission for those two weeks? a. $309 b. $237 c. $957 d. $720

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