Answer:

Step-by-step explanation:
Given







Required
The weighted average
To do this, we simply multiply each score by the corresponding worth.
i.e.

So, we have:

Using a calculator, we have:

 --- approximated
 --- approximated
 
        
             
        
        
        
Answer:
They are both identical cubes which makes it much easier. 
Work out the volume for just one first. 
The formula for volume is:
l x w x h
However, since it is a cube, all lengths are the same.
3 x 3 x 3 = 27
Now multiply it by 2 to get the volume of both combined:
27 x 2 = 54.
In short, your answer is  54cm 3
Hope This Helps You!
Good Luck :) 
Step-by-step explanation:
 
        
             
        
        
        
Step-by-step explanation:
$31.50 is how much she made
418.5 is how much the store made, but, that is the simple value, there could be more variables
 
        
             
        
        
        
Answer:
A) 2
Step-by-step explanation: