Ramon has $ 2,340 in savings account. write an expression for the amount in his account after he deposits d dollars and withdraws w dollars. if he deposits $ 100 and then widthdraws half as much as he desposited , how much is in his account

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.