The chapter 9 test review images are below. The video may work.

Test Review Video 9a (Review problems 1 - 3)

Test Review Video 9b (Review problems 4 - 5)

Test Review Video 9c (Review problems 6-10)

Problem 12

Problem 13

Problem 14

Problem 15

Problem 16

Problem 17

Problem 18

Problems 19 and 20

Problems 21 and 22

Problem 23