HELP!! identify the given pairs of angles in the following questions as vertical, adjacent, or neither

What is the missing constant term in the perfect square that starts with x^2 -20x

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school

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