Which of these phrases uses parallelism to create a sad tone

If g^-1(x) is the inverse of g (x) which statement must be true

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

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.