Look at the relationship between a and b. a 9 14 19 24 b 12 17 22 27 which equation below describes the relationship between a and b? a. b = 21 - a b. b = 1 × a c. b = 3 + a d. b = 108 ÷ a

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.