Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AC = 12 and DC = 4, what is the length of BC in simplest radical form? (Note: the figure is
not drawn to scale.)
B
4
с
12

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?