http://go.hrw.com/hrw.nd/gohrw_rls1/pKeywordResults?keyword=MG7+HWHelp&x=0&y=0
It is broken up by chapter.
Source: my.hrw.com
Here is a list of all the vocabulary terms for Chapter 1.
Source: Megan Pumphrey
Example #1
http://my.hrw.com/math11/math06_07/nsmedia/lesson_videos/geo/player.html?contentSrc=6513/6513.xml
Example #2
http://my.hrw.com/math11/math06_07/nsmedia/lesson_videos/geo/player.html?contentSrc=6676/6676.xml
Example #3
http://my.hrw.com/math11/math06_07/nsmedia/lesson_videos/geo/player.html?contentSrc=6677/6677.xml
Example #4
http://my.hrw.com/math11/math06_07/nsmedia/lesson_videos/geo/player.html?contentSrc=6678/6678.xml
Source: my.hrw.com
Here is a worksheet for just a little extra practice!
Source: my.hrw.com
Here is another way to Hear and See lesson 1-1
Source: Khan Academy