How do quotes connect to poetry

Excerpt from the right decision lindsay rock telling a

What is the missing statement in step 3 of the proof? given: z1 is complementary to 22. 22 is complementary to 23. prove: m_1 = m23 m21 = m2 m2 1 + m22 = 90° m22 = m23 m22 + m23 = 180° 2 statements 21 is comp. to 22 2. 22 is comp. to 23 3. ? 4. mz1 - 90°-m22 m22+m23 = 90° 6. m23 = 90°-m22 7 m21 - m23 reasons 1. given 2. given 3. def of comp. zs 4. subtr equality prop. 5. def. of comp. 25 6 subtr. equality prop 17. trans. prop. vo

1. do not confuse theme with a story's subject ending moral 2. which book does the speaker use to illustrate theme? green eggs and ham are you my mother? the cat in the hat 3. theme is usually not stated directly but is instead explicit implied