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Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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?

Determine domain and range, largest open interval, and intervals which function is continuous.