First, we can see that he used the Distributive property. Then after that, he used the Additive property. After that, he combined like terms and the used the additive property again. Finally, he used the divisive property.
 
        
                    
             
        
        
        
Answer:
The average is -49.
Step-by-step explanation:
You add all numbers and then divide by the numbers that your adding:
8+-67+-99+-91+-59+-81+46= -252
-252/7= -49
 
        
             
        
        
        
D, all apply
You can cut all in half and they will be equal
        
                    
             
        
        
        
The answer to that definition is a multiple. A multiple is any number that is not zero. 
Hope I helped!
- Amber
        
             
        
        
        
Answer:
-1
Step-by-step explanation:
If i = √-1, then i^2 = -1.