Not a math question! No links or fake answers!! I will gladly give brainliest! How has social media influenced the marketing and PR activities of companies? Explain in what ways companies, individuals, and NGO'S can impact communities through social media?​

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.