Answer:
14.11
Step-by-step explanation:
.83*16.5=14.11
 
        
                    
             
        
        
        
Answer:
A= 429
B= 50
Explanation:
A+B= 479 (take away)
A-B= 379
A-A+B+B= 479-379 (simplify)
2B= 100
 
I think you know how to do it now..
B=50
A=50+379 ---> 429
This is the substitution method, there are other ways of doing it- and I tried to make this simple. Hope this helped!
 
        
             
        
        
        
Answer:
option D is the correct answer
 
        
             
        
        
        
Answer:
21
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Step-by-step explanation:
<u>Step 1: Define expression</u>
3 × 3 + 3 + 3 × 3
<u>Step 2: Evaluate</u>
- Multiply:                    9 + 3 + 3 × 3
- Multiply:                    9 + 3 + 9
- Add:                          12 + 9
- Add:                          21