Answer:
The answer is A. k = 4.25.
Step-by-step explanation:
To find proportionality, solve for 8.5 divided by 2 and 17 divided by 4.
Both of those answers are 4.25, so that would be the final answer.
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Answer:16
Step-by-step explanation:
 
        
             
        
        
        
Take whatever side lengths you have and divide that number by 1/3 in your calculator and what number is shown after doing this is the answer