Answer:
-13c + 3
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
5 - 4c - 2 - 9c
<u>Step 2: Simplify</u>
- Combine like terms (c): -13c + 5 - 2
- Combine like terms (Z): -13c + 3
Number 1 is C.
Number 2 is C.
Did you need all of them?
Explanation
In this sample, people elect to participate or self-select to do the survey. Often, these folks have a strong interest in the main topic of the survey.
In essence, they volunteer to inform the trucking company about the activities of their drivers. That makes this a voluntary sample.
Answer: Voluntary Sampling Method
You need to find the area of the hexagon, and the area of the triangle.
The formula for the area of a triangle is

I hope this helps you a little.