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
- Factoring
Step-by-step explanation:
<u>Step 1: Define</u>
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<u>Step 2: Simplify</u>
- [Fraction] Factor numerator:

- [Fraction] Factor denominator:

- [Fraction] Divide:

Answer:
The answer is "
"
Step-by-step explanation:
Area of every face:


count overlaps and times by 2:
So,

There are 12 unpainted faces each face is

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M<A + m<B = 180
6x - 48 + 4x + 38 = 180
10x - 10 = 180
10x = 190
x = 19