What is the mean for the data set, to the nearest whole number? 8.5 10 8 9 I need help

How many days was the temperature above 90 degrees?

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?

Solve -.016x= -16. need solving this