Answer:
14
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS 
- Brackets 
- Parenthesis 
- Exponents 
- Multiplication 
- Division 
- Addition 
- Subtraction 
Explanation:
Step 1: Define
K² + 5
K = 3
Step 2: Evaluate
- Substitute in K: 3² + 5
- Exponents: 9 + 5
- Add: 14