Use the video links for review or practice:
https://www.youtube.com/watch?v=ls78_2UBcdY
https://www.youtube.com/watch?v=6Db1wG_zudc
https://www.youtube.com/watch?v=cexbHJ2aWnU
https://www.youtube.com/watch?v=yxq21ZbpcO4
https://www.youtube.com/watch?v=BiYfI-qUxLY
https://www.youtube.com/watch?v=9SOSfRNCQZQ
HW: Complete all of WS 7.2