Help pls just click the picture then you see it

1. 8 + 13 = 13 + 8.

2. 6 + ( 12 + 4) = 6 + ( 4 + 12).

Step-by-step explanation:

The Commutative Property of Addition is changing the order of the numbers to get the sum, but not changing the actual sum itself.  

The Associative Property of Addition is the allowance of being able to re-group numbers and still get the same sum, or answer.

i think the answer is d im not sure

a) 0,0; 1,1; and 2,2

step-by-step explanation:

these have the exact same coordinates, thus they are the correct function.