The mean is the same thing as the average. To find the average, add all the numbers up (aka find the sum of the numbers) and divide by how many numbers there is:

So the sum of your numbers is: -6 + 2 + 5 + -7 + -11 + -6 = -23. And there are 6 numbers total.
That means average =  

 ≈ -3.8
Your final answer is -3.8
 
        
        
        
Step-by-step explanation:
Since the box is a cube,
Length = Width = Height = 45m.
Volume of box = Volume of cube
= Length x Width x Height

 
        
             
        
        
        
Answer:
the 2nd one
Step-by-step explanation:
 
        
             
        
        
        
Answer:
D
Step-by-step explanation:
6(x + 8) =                 Plug in x with 4
6(4 + 8) =
6(12) = 
72