Mary’s parents gave her $60 as pocket money to meet her daily expenses. she spent $20 on clothes and $10 on food. she wishes to buy some books, also. if each book costs $3 each, solve the inequality to find how many books she can buy. question 5 options: at the most 10 at least 10 10 at the most 5

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