Select the correct slope calculation for the line that contains the points in the table. YA -4 1 ON 1113 O A. 9-12 9-(-3) 1-(-2) B. -3 -11 -2 - 4 C. 2-1 13-9 D. 1-2 9-(-3)​

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.