Which options could be the next step in simplifying this expression?
5 • (2 + 4)
choose exactly two answers that are correct.
a.
(5 • 2) + 4 (use the associative property)
b.
5 • 2 + 4 (use the distributive property)
c.
5 • 6 (use order of operations)
d.
5 • 2 + 5 • 4 (use the distributive property)

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?