Lani and her friends started a dog walking service after school, they want to know how much money they can earn walking diffrent dogs

The sum of two numbers is 12 and their difference is 18 what are the two numbers

15 and 14.7 are 1 apart, so 15 – 14.7 must be 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