Simplify and find the undefined values of 2x^3-3x^2/10x^4-15x^3? A. 1/5x, x=0
B. 1/5, no undefined values
C. x/5, x=0
D. 1/5x, x=0, 3/2

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.