If ralph is 6 and his sister is half his age, how old will ralphs' sister be when he's 100?

How far could you drive on 50 gallons of gas

Find the area of the regular hexagon if a side is 20 cm.

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?