A rectangular auditorium seats 2128 people. The number of seats in each row exceeds the number of rows by 18. Find the number of seats in each row.

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?