The weight y of an object on mars is proportional to the weight x of the object on earth. an object that weighs 70 pounds on earth would weigh 28 pounds on mars. write an equation that represents the situation. then determine how much a boulder that weighs 250 pounds on mars would weigh on earth.

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