In order to round to the nearest 100 you look at the 10s place.
It's 7 which means we round up. So 178 rounded to the nearest 100 is 200.<span />
        
                    
             
        
        
        
Answer:
C 
Step-by-step explanation:
Because c has the variables in the right spot and the other ones don't make scene 
 
        
             
        
        
        
Answer:
x-4=19
Step-by-step explanation:
Hope that helps!
 
        
                    
             
        
        
        
No.5=1/3x=21
So x is twenty one21