Riddle: it's 7: 00 am. a) you are asleep and there is a sudden knock on the door. b) behind the door are your parents who came to have breakfast. c) in your fridge are bread, milk (pasteurized), juice, and a jar of jam. to answer, what will you open first?

After reading 80% of her e-mails in her inbox, danette still has m unread e-mails. which of the following expressions could represent the number of e-mails danette had in her inbox before she started reading? choose 2 answers: (choice a) 5m (choice b) 1.8m (choice c) 80m (choice d) m/0.8 (choice e) m/1−0.8