Can someone help please and explain how you got your answer and please don't play around I really don't wanna fail. Ill give brainlist too.

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

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