Claire Jackson and Lena ordered fruit salad and iced tea at the café. Two people (Claire Jackson and Lena) ordered two items (fruit salad and iced tea).
Two people (Claire Jackson and Lena) ordered three items (fruit, salad, and iced tea).
Three people (Claire, Jackson, and Lena) ordered two items (fruit salad and iced tea).
Three people (Claire, Jackson, and Lena) ordered three items (fruit, salad, and iced tea).

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