Answer:
1 , 2 , 3, 4
Step-by-step explanation:
An expression is a finite combination of symbols that is well-formed according to rules that depend on the context. meaning it has no = sigh
I know the number ypu have to fill in would be 15 I believe that is the commutative or associative property or something with addition
Answer:
<h2>0 </h2>
Step-by-step explanation:

Your new point would be (-1,-1)
Congruent means same shape and same size
Answer:
-2x-6
Step-by-step explanation:
-2(x+3)= -2x -6
use distributive propriety of multiplication over addition