Answer:
D.
Step-by-step explanation:
The problem is clearly addition, so we can rule out B and C. Associative property is the movement of the parentheses, whereas commutative property is the movement or reorganization of the numbers. The parentheses moved in this problem, so it is associative. I suggest reviewing these properites, they come in handy later and are good to know :)
Step-by-step explanation:


Answer:199---3
Step-by-step explanation:
Answer:
x¯ = 28 years
μ = 27 years
Step-by-step explanation:
Add all the ages and divide the 12 players.
<em>-</em><em> </em><em>Shadow -</em>
I think the answer is -20