Answer: D
Step-by-step explanation:
4r-r+3r can be simplified to just 6r
-s-2s-s can be simplified to just -4s
The correct choice is C .
Answer:
Only 7 people can play and 1 card will remain
Step-by-step explanation:
Answer:
8 hours
Step-by-step explanation:
it says: The half portion stays in her body for 8 hours.
Answer:
8s
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>
10s + -2s
<u>Step 2: Simplify</u>
- Rewrite: 10s - 2s
- Combine like terms: 8s