What is the extended metaphor in the poem " too sing america"?

Why did martin luther king jr mention the ancient greek philosophersocrates in his letter

In what way was the modernist element of disillusionment shown in “the jitling of granny weatherall”? a) the story rejects traditional, chronological order. b) granny feels jilted at both her wedding and her deathbed. c) the narration makes heavy use of symbolism. d) granny’s thoughts are hard to distinguish from real events

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