Answer:
A) 6
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Algebra I
- Slope Formula:

Explanation:
Step 1: Define
Point (6, 7)
Point (5, 1)
Step 2: Find slope m
- Substitute:

- Subtract:

- Divide:
