At 12 noon, leslie recorded the temperature as 56 degrees f. the temperature had increased by 8 degrees f from 10am. the temperature at 8am was 2 degrees f warmer than it was at 10am. what was the temperature @ 8am. explain step by step.

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?