Page 18

#'s4, 5:


Page 19


#6:
Check the scale factor for the left side and the right side. If they are the same then the lines are parallel

#'s 7, 9:
Do these just like page 18. For number 9, you have extra numbers just ignore them.

  1. 10 (and the un-numbered one above it.)


Page 20

#'s 1-6 Just write the corresponding letter in the box
#'s 7-9 Are done the same as page 18, just a little more algebra.
#'s 10-12, are like page 19 problems 7& 9. CROSS OFF #11

Page 21

#'s 3-6
https://youtu.be/rgup4S56RYo?t=133

Page 22

#'s 1-6