Xavier measured the length and width of a rectangle to be 11 cm and 7 cm, respectively. A rectangle that is similar to this rectangle has a width of 63 cm. How long is the rectangle?

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?