Prove or disprove the following two lines parallel if one line goes through the points (2,6) and (6, 12) and the second line goes through the points (-3, 2) and (3, 11)

Multiplying an even number of negative numbers gives an answer that is choose from:

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?

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?