Mary earns $220 per week and has 22% of this amount withheld for taxes, social Security and medicare. find the amount withheld.

Which statement about perfect cubes is true

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

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