Tim has seven acorns. don has a number of acorns that is two less than 7.how many acorns does don have ?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

What is this inequality notation? t is less then or equal to 2

How do you summarize data in a two-way frequency table?