Answer:
cosA = 
Step-by-step explanation:
cosA =  =
 =  =
 =  =
 = 
 
        
             
        
        
        
Answer:
c
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Slope: −14y-intercept: (0,1)
Step-by-step explanation:
 
        
             
        
        
        
yes it is right when the vertex of the first polygon is located on 3 - 2 after rotation the work vertex will be there on (2 , 3) it is right
 
        
                    
             
        
        
        
I would say 23 hope this helps