Which expressions are equal to the expression –2.7 – 16.4?

choose all answers that are correct.

a.
–2.7 – (–16.4)

b.
–16.4 + (–2.7)

c.
–16.4 – (–2.7)

d.
–2.7 + (–16.4)

Can someone me out here number 4 plz

What would the rule be for the reflection of y=-3

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.