William wants to hang a mirror in his room. the mirror and frame must have an area of 50 square feet. the mirror is 5 feet wide and 8 feet long. which quadratic equation can be used to determine the thickness of the frame, x? 3x2 + 13x − 20 = 0 4x2 + 14x − 7 = 0 4x2 + 26x − 10 = 0 2x2 + 2x − 10 = 0

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?