12 because the 23 3/8 is rounded down and the 11 2/9 is rounded down as well
        
             
        
        
        
Answer:
Use demos or a graphing calc.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
The constant is 2.7. This number never changes.
 
        
             
        
        
        
20
Constant in a mathematical expression is a term whose value never changes.
The terms with x and y will vary based on the variable x and or y.