Answer:
it should be the negative repirocal of -2 so 1/2
 
        
                    
             
        
        
        
Answer:  -1.33 .
Step-by-step explanation:
Formula to find the Z-score :

Given: Mean = 191  and Standard deviation = 21
Then , the z-score corresponding to the expected value of 163 will be :

Hence, the z score corresponding to selling 163 inhalers is -1.33 . 
 
        
             
        
        
        
I believe the answer is 60 degrees I am a little confused by that question though
        
                    
             
        
        
        
Answer:
The answer is y=6x+2
Step-by-step explanation: