I think it is 420 but I'm not sure
        
                    
             
        
        
        
Answer:
C. f(x) = 3·x + 2, g(x) = 7·x + 6 
Step-by-step explanation:
The given equations relates to the property of equality of values;
The given formula for the association between f(x) and g(x) is f(x) = g(x)
The given equation of two expressions is 3·x + 2 = 7·x + 6
By transitive property of equality, the two above equations are correct when f(x) = 3·x + 2 and g(x) = 7·x + 6
Therefore, the function that may be used to represent the equation is option C; f(x) = 3·x + 2, g(x) = 7·x + 6.
 
        
             
        
        
        
16-9=7
I am pretty sure that is what yo are asking for right?
        
             
        
        
        
 60 =  (10 + 20 + 30 + 40 + x)/5
300 = 100 + x
x = 200
Answer: 200