Answer:
1. Commutative Property of Addition
2. Distributive property
Step-by-step explanation:
Given



Required
Justify each step
From Line 1 to 2:
The property from Line 1 to 2 depicts
;
i.e.

This is referred to as Commutative Property of Addition
From Line 2 to 3:
The property here depicts 
i.e.


This is referred to as Distributive property
125/12 would be your equivalent improper fraction
Y=-1x+2 I think .................
Answer:
A 270° rotation about point B'
Step-by-step explanation:
Rotation is clockwise so you can see that the final transformation is a rotation 270° clockwise