Arectangular patio has a diagonal walkway. the length of one side of the patio is 9 meters long. the length of the other side of the patio is 12 meters long. how long is the walkway? round your answer to the nearest tenth.

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?