First you do -13+9. That equals -4.
Then bring down -c=-4 because there is a 1 in front of the c so -1c.
Next divide both sides by -1. The -c side cancels out so then your left with -4/-1. 
That equals positive 4.
C=4
That’s ur answer.
        
             
        
        
        
Answer:
4x² / 4x² = 1
Step-by-step explanation:
Anything divided by itself is always 1
 
        
                    
             
        
        
        
One way: 
585-320=265 (Rounding to the nearest 5)
590-320=270 (Rounding to the nearest 10)
600- 300= 300 (Rounding to the nearest 100)
Hope you found this helpful :)
 
        
                    
             
        
        
        
Answer:
could u provide a proper picture to this question? 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Step-by-step explanation:
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