Students at tuscan school filled out a survey. the survey showed that of 374 students, 195 speak a second language. how many students speak only one language?

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Acircle has a circumference of 28.36 units what is the diameter of the circle

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