Write a proportion to find how many points a student needs to score on the
test to get the given score.
1. Test worth 60 points; test score of
60%.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Which expression converts 45 degree to radians

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