We did not spend as much time on Unit 3 and a few topics we did not get to. I am providing some videos here that will help when you get to topics you do not remember OR have never done. The link below is a STREAM of videos on youtube on Unit 3. Click the link and watch the video(s) pertaining to what you need to learn and/or refresh. There are 22
to select from.
https://www.youtube.com/playlist?list=PL6334s8hsQG1jn880mFX2lplelnPmLJct