You and your friend leave on different flights from the same airport. Determine which flight is farther from the airport. Explain your reasoning. Your flight: Flies 210 miles due south, then turns 70∘ toward west and flies 80 miles. Friend's flight: Flies 80 miles due north, then turns 50∘ toward east and flies 210 miles.

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