The correct answer is: 4
Explanation
This is a simple addition problem where you add the two numbers 2 and 2 together. Addition is one of the basic arithmetic operations.
Steps:
- Recognize the problem: \( 2 + 2 \).
- Add the two numbers: \( 2 + 2 = 4 \).
- The sum is 4.
Therefore, the answer is 4.