In 1993, funding for a program increased by 0.79 billion dollars from the funding in 1992. in 1994, the increase was 0.49 billion dollars over the funding in 1993. for those three years the funding was 11.58 billion dollars. how much was funded in each of these three years?

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.