Answer: -6.11
Step-by-step explanation:
Subtract.
  45.24
- 51.35
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Invert the operation because since the result is a negative number, we cannot operate 51 of 45. Just keep in mind that the result is going to be negative because 51 is bigger than 45.
   51.35
- 45.24
-------------
    -6.11
 
        
                    
             
        
        
        
48 c atoms
88 h atoms
44 o atoms
        
             
        
        
        
Prolly wrong but I think B
        
             
        
        
        
Answer:
A, 4, -1
It's reflected over the y-axis, so it goes to the right side. 
 
        
                    
             
        
        
        
80 cm^2 i think this your answer