Is what is an inequality your question? An inequality is basically expressions that use the "greater than", "less than", "greater than or equal to", or "less than or equal to" symbols. A.K.A these:  > <   ≥  ≤
        
             
        
        
        
Multiply both sides by 7.
-5 * 7 = c/7 * 7
-5 * 7 = c
c = -35
Your final answer is c = -35.
        
                    
             
        
        
        
Yes they are equivalent because their ratio is 9
81/9= 9
63/7=9
        
             
        
        
        
Answer:
b would be the awnser
Step-by-step explanation:
im guessing
 
        
             
        
        
        
Answer:
Honestly um I started a few days ago yet dont know