One- third of the seventh grade class bought tickets for the seventh grade dance. Then, 32 students bought tickets at the door. If there were 158 students at the dance, how many total students are there in the seventh grade?

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

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

Answer asap! due in 30 minutes! ! 8th grade math