Two years of local internet service costs $685, including the installation fee of $85. what is the monthly fee? solve the equation below to find out. show your work or explain your steps.
85+2m=685

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?