Please help me with these questions FAST it's formal and I can't fail,

What are the steps to solving the inequality 3b + 8 ≥ 14?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

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.