In a class, every student knows french or german (or both). 15 students know french, and 17 students know german.

what is the largest possible number of students in that class?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

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