The Math Department ordered packages of colored pencils in bulk from Amazon. The total cost for the supplies can be found using the function c = 12.95x + 7.95. What is the domain and range if there were at least 20 and no more than 30 purchased?​

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?