I would say it’s emotional support because he is helping him or supporting him when he needs help with his emotions
The answer is, infact, D. You were right.
The problem 3 + 6 = 9<span> demonstrates the closure property of real number addition.</span>
Observe that the addends and the sum are real numbers.
The closure property of real number addition states that when we add real numbers to other real numbers the result is also real.
<span>In the example above, 3, 6, and 9 are real numbers </span>