contestada

Question 3
Which of the following is an example of Commutative Property of Addition?

A:3 + 4 = 8 + 3
B:6 x 1 = 6
C:(9 + 7) + 5 = 9 + (7 + 5)
D:2 + 9 = 9 + 2
E:None of these answers are correct.