James has a total of 66 dollars in his piggy bank. he only has one dollar bills and two dollar bills in his piggy bank. if there are a total of 49 bills in james's piggy bank, how many one dollar bills does he have?

Two lines that do not intersect are skew. always sometimes or never

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

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