Answer:
A
Step-by-step explanation:
It’s the opposite 
 
        
                    
             
        
        
        
I believe in the 20th century, if you need an exact date reply with yes!
 
        
                    
             
        
        
        
31.75 as an improper fraction is 127/4. The mixed number fraction is 31 3/4.
        
             
        
        
        
Answer:
One: Median = 2
Two: Mean = 3.25
Step-by-step explanation:
One
Put the dots in order
1 1 1 2 2 3 3
There are seven groups altogether. 
The middle one is a 2.
The median is 2.
Two
The mean is the average.
The average of the 4 groups is
1 3 6 3 = 13
The average is the sum of the dots.
13/4 = 3.25
 
        
             
        
        
        
Invisible braces would cost 5300. I think that’s it. Hope that helped