Answer:

General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS 
- Brackets 
- Parenthesis 
- Exponents 
- Multiplication 
- Division 
- Addition 
- Subtraction 
Algebra I
Coordinate Planes
Algebra II
Distance Formula: 

Explanation:
Step 1: Define
Identify
Point (1, -6)
Point (5, -3)
Step 2: Find distance d
Simply plug in the 2 coordinates into the distance formula to find distance d
- Substitute in points [Distance Formula]: 
  
- [Order of Operations] Evaluate: 
  
- Simplify: 
 