b (?) and c
m and n have the same slope (-2/5) so m//n 
 
        
             
        
        
        
Answer:
0,-3
Step-by-step explanation:
See the steps below:) you can use the app photo math. you just take a picture of the problem and it gives you the answer and explains the steps:) 
 
        
                    
             
        
        
        
Answer:
Is this the inter question