In a scale drawing, the bathroom to the school measures 4 cm long by 7 cm wide. The actual width is 10.5 feet. What is the actual length of the bathroom?

On a piece of paper graph f(x)=5•(0.4)^x

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?

If the value of cos330°is√3/2 then find cos 165°.