IM TAKING A 50 QUESTION TEST AND ITS DUE IN 20 MINSS HELPPP PLS

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

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