16. Find the mean, median, mode, and range of the following set of data:

Number of times 9th grade students have been to the beach: 13, 14, 15, 12, 9, 6, 4, 2, 0, 3, 6, 4, 9, 12, 14.

17. In last week's baseball game, Troy scored half as many homeruns as Jay scored. make an equation that represents the number of points Jay scored.

18. Suzie is 3 years younger than Connie. make an equation that represents Connie's age.

19. Sharon spends at least one hour cleaning up the house after her children go to bed. make an inequality that describes the amount of time, x, that Sharon spends cleaning the house each night.

20. Marshall practices playing his guitar between 30 minutes and 2 hours each day. make an inequality that describes the amount of time, x, that Marshall spends playing the guitar daily. (Be careful with the units!)