Eight small bricks have the same mass as three large bricks the mass of one small brake is 1.5 kg what is the mass of one large brick

How do you answer this question? (step by step)

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

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?