Yuan needs to take a taxi to get to the movies. the taxi charges $3.50 for the first mile, and then $2.50 for each mile after that. if the total charge is $9.75, how far is yuan's taxi ride to the movie?

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?