Answer:
37
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS 
- Brackets 
 - Parenthesis 
 - Exponents 
 - Multiplication 
 - Division 
 - Addition 
 - Subtraction 
 
Explanation:
Step 1: Define
z + y²
y = 6
z = 1
Step 2: Evaluate
- Substitute in variables: 1 + 6²
 - Evaluate exponents: 1 + 36
 - Add: 37