The correct answer is -6m-n+3. You have to simplify the expression.
 
        
             
        
        
        
I'm not sure Google it tho might help
 
        
             
        
        
        
Answer:
(-1,-1)
Step-by-step explanation:
Midpoint equation: 
= 
= 
=(-1,-1)
Use the formula and plug it in :)
 
        
             
        
        
        
Answer:
hello : answer : 3
Step-by-step explanation:
transled :
1 unit right : add 1 for x
2 unit up : add 2 for y
exempl : the image for M ( 1 ; 2) by translation is M'(1+1 ; 2+2)  so M' (2 , 2).
the image for P ( 1 ; 3) by translation is P'(1+1 ; 3+2)  so M' (2 , 5).
same method for A and T .