Where should they aim their first two shots

Which example from lorraine hansberry's a raisin in the sun demonstrates the idea of self-determination?

The literature of nineteenth-century realism depicted everyday life in a realistic way. which statements show that leo tolstoy’s the death of ivan ilyich is a realist text? the description of human struggles in the form of ivan ilyich’s suffering the faithfulness of relationships that ivan ilyich experiences toward the end of his life the romantic tension that occurs between ivan ilyich and his wife the difference between superficial and authentic living the plot ending with a surprising turn of 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