Eq1
Y intercept -2,0
X intercept 0,2
Slope 1
Eq2
X intercept-2,0
Y intercept 0,2
Slope 1
1. bobby would be 21 and chris 18.
Answer:

General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Terms/Coefficients
Step-by-step explanation:
<u>Step 1: Define</u>
<em>Identify.</em>
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<u>Step 2: Find Combined Volume</u>
- [Set up] Add:

- Substitute in variables:

- Combine like terms:
The answer is B.
Whatever the x value is you have to add 9 to it.