-7(x+y=525)-7
3x+7y=2775
-7x-7y=-3675
3x+7y=2775
-4x=-900
X=-900/-4
X=225
Answer is c
        
             
        
        
        
Answer:
24x^9*z^5
Step-by-step explanation:
combine coefficients and add exponents for like terms 
hope this helps you :)
 
        
                    
             
        
        
        
Answer:yes she does cauce she has 1.05
Step-by-step explanation: