Answer:
A. x + 5
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>
<em>Identify</em>

<u>Step 2: Simplify</u>
- Factor:

- Divide:

1.44 per kg
take 1.3 x 2, then subtract 12.7, finally divide that by 7
Answer:
-40
Step-by-step explanation:
Since x is 10 you need to multiply 10*-4 which equals -40.
Answer: 2.1925153x10 to the 3rd
Step-by-step explanation: hope it helps