We apply our knowledge in variation.
The solution can be seen in the photo
 
        
             
        
        
        
Ummmm
pie = π
i think its right
        
                    
             
        
        
        
Answer:
3x6
(3)(6) 
6+6+6
for represent the situation
Step-by-step explanation:
the dining room has 3 tables 
and at each table there are 6 chairs so multiplication is the operation to use to find the total 
therefore the other operations do not represent the situation
but 6+6+6 represents because it is also equal to 18 
 
        
             
        
        
        
Answer: A = 112km^2
Explanation:
A = L x W
A = 14km x 8km
A = 112km^2