Answer:
y = -3/4x + 1
Step-by-step explanation:
 
        
             
        
        
        
5, 5, 9, 12, 18, 22, 25 put numbers in order least to greatest
25 -5 = 20 that is the range
12 is the middle number this is the median
5 is the mode, it is the number that is repeated the most
        
                    
             
        
        
        
I think you forgot to attach the image :(
        
                    
             
        
        
        
These | | simple mean absolute value. Absolute value is simply the number positive, for example, the absolute value of -3 is simply 3