Answer:
D o you have the problem so I can see what I the question is?
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
1/6
Step-by-step explanation:
 
        
                    
             
        
        
        
40, because if the ratio is 1:5 then we can times 8 by 5 to get 40 (I think :P)
        
                    
             
        
        
        
Answer:
D
Step-by-step explanation:
Simplify 28/50 by two is 14/25
 
        
             
        
        
        
Answer:
A) 
Step-by-step explanation:
The given expression is 
Here we have to use exponent rules and simplify the expression.
Power rule : 
Using the above rule, we can write
 
 
= 
Again using the power rule

Now we have to put together this expression, we get
= 
Now we have to use product rule.
Product rule: 
Using this rule, we can simplify further
= 
= 