Does this look correct? I have math tomorrow if it’s not then can you like step every step out to help me? The picture is below

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

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