Answer:
1. 21
2. 896
3. 20.9
Step-by-step explanation:
Use BODMAS/BIDMAS to solve.
 
        
             
        
        
        
The answer to the question
 
        
        
        
Answer:
4 radical 5
Step-by-step explanation:
 
        
             
        
        
        
Answer: d=12
Step-by-step explanation:

Multiply both parts of the equation by 8:

Divide both parts of the equation by 11:

 
        
             
        
        
        
Answer:
r37grqigohw
Step-by-step explanation: