Answer:
13
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS 
- Brackets 
- Parenthesis 
- Exponents 
- Multiplication 
- Division 
- Addition 
- Subtraction 
Explanation:
Step 1: Define
w² - v + 1
w = -2
v = -8
Step 2: Evaluate
- Substitute: (-2)² - (-8) + 1
- Exponents: 4 - (-8) + 1
- Multiply: 4 + 8 + 1
- Add: 12 + 1
- Add: 13