The number y of hits a new website receives each month can be modeled by y = 4020ekt, where t represents the number of months the website has been operating. in the website's third month, there were 9,000 hits. find the value of k. (round your answer to four decimal places.)

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?