Use the video links for help or practice
https://www.youtube.com/watch?v=ZtPsWriHwa8&nohtml5=False
https://www.youtube.com/watch?v=_cooC3yG_p0
https://www.youtube.com/watch?v=jExpsJTu9o8
https://www.youtube.com/watch?v=V02nV_qR_xQ&nohtml5=False
HW: Today's WS 9.2