Answer:

Step-by-step explanation:
If you would like me to explain let me know in the comments.
The answer would be Associative Property.
Hope this helps you =)
Answer:
28.27
Step-by-step explanation:
A=(1/4) πd^2
Answer:
1) incorrect
2) incorrect
Step-by-step explanation:
-2x-2x = 0 ?
-2x -2x = -4x
It will be 0 only if x = 0.
Not always true, so incorrect
x+x = x² ?
2x = x²
They will be equal if x = 0 or 2.
Not always true so incorrect
The answer would be B C E hope this helps :)