Table b represents a function, the reason being that for each value of input, there is one and only one value of output.
        
                    
             
        
        
        
All of them are wrong except for the third one
        
             
        
        
        
Answer:
B
Step-by-step explanation:
So we have the expression: 

Since 5 goes into both 15 and 50, we can factor out a 5. First, rewrite the numbers as: 

Factor out the 5: 

So, our answer is B
And we're done!
 
        
             
        
        
        
Answer:
1.22 feet, or 1  11/50 ft
Step-by-step explanation:
Find 1/25 th of 30 1/2 feet:
  1        61 ft
----- * ---------- = 1.22 feet, or 1  11/50 ft
 25      2
The length of the model is  1.22 feet, or 1  11/50 ft
 
        
             
        
        
        
Answer:
B
Step-by-step explanation:
 the domain of a graph consists of all the input values shown on the x-axis.
so because the only parts shown on the x axis are 6 and -6 that is the answer!
hope this helps!