Between the time Ronald eats his dinner and the time he goes to bed, the outside temperature decreases 12°F. Before he gets up in the morning, the outside
temperature decreases another 15°F. What integer represents the change in
temperature from when Ronald eats dinner until he gets up the next morning?

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?