A: 8293
B:8393738283737383838373738
C:82837282073
D:9193
        
             
        
        
        
it would be A or D for the math of d=-2
 
        
                    
             
        
        
        
The mean is the average, so add all the numbers and divide by 7 (7 terms).
-14 is the sum, divided by 7 = -2
The mean is -2.
        
             
        
        
        
Answer:
73.13
Step-by-step explanation:
I think this <em><u>might</u></em><em><u> </u></em>be the right answer.
 
        
                    
             
        
        
        
Answer:
pneumonoultramicroscopicsilicovolcanoconiosis