Elena wants to make a scale drawing of her bedroom. In her drawing, the length of the bedroom is 10 cm and the width 6 cm. She decides on a scale of 1 to 50. What is the LENGTH of her actual bedroom I NEED HELP NOW 70 POINTS IF YOU ANSWER RN

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