Answer:
The geometric mean of 2 and 8 comes out to equal 4. 
Step-by-step explanation:
 
        
             
        
        
        
C. Every y-value is twice the square of its x-value
        
             
        
        
        
Answer:
I'm not sure what your asking
 
        
             
        
        
        
Answer:
3
Step-by-step explanation:
Here, by reading the histogram, we will provide answer for the question asked.
We want to know how many more festivals had 18 to 23 countries represented than 0 to 5 countries.
Checking the histogram, we can see the 0-5 countries having a value of 1, while the 18-23 has a value of 4.
So, the number of more countries will be simply 4-1 = 3