All I can say is 1 and 2 are correct.
        
             
        
        
        
Answer:
C) 4
Step-by-step explanation:
Given equation:

The above equation represents proportional relationship.
To find the constant of proportionality.
Solution:
<em>The equation representing proportional relationship is given by:</em>
<em> </em>
</em>
<em>where  represents constant of proportionality.</em>
 represents constant of proportionality.</em>
So, in order to find the value of  for the given proportionality relationship, we will solve for
 for the given proportionality relationship, we will solve for 
We have: 

Solving for 
Dividing both sides by 2.


∴ 
Thus, the constant of proportionality = 4.
 
        
             
        
        
        
Answer:
-x
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation: