Answer:
mean=sum of data/no of data
=12/3
=4
Step-by-step explanation:
therefore mean=4
 
        
                    
             
        
        
        
Answer:
   z = 5/2y -1
Step-by-step explanation:
We observe that z has ...
- 1 added
- the sum multiplied by 2/5
To solve for z, we undo these operations in reverse order.
   
 
        
                    
             
        
        
        
Answer:
hi 
Step-by-step explanation:
What do you use Phone no. Hi what 
 
        
                    
             
        
        
        
Given that they follow the format for straight lines and are therefore straight lines, they would only intersect once and that would be at (0,1) where they both have a y intersect.
Hope this helps :)
        
             
        
        
        
The square root of 100 is 10. This is also a great number because it can be easily squared so you can have an even answer.