Answer:
If one wants to estimate the cost of living of an individual, then the factors such as salary, age, marital status, etc. are independent variables, while the cost of living of a person is highly dependent on such factors. Therefore, they are designated as the dependent variable.
 
        
             
        
        
        
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does this make sense ? I tried to set up the square best I can
        
             
        
        
        
Answer:
a lake where light is being refracted from the water