Answer:
hope this helps
the explanation is in the picture
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Answer:
It does not show variation
Step-by-step explanation:
Given

Required
Determine if there's direct variation between x and y
The general form of direct variation is:

Make y the subject of formula in the given parameters;


Compare
to 
<em>Since they are not of the same form, then the given equation do not show direct variation</em>
The answer is going to be A.
Shadow 1 / Height 1 = Shadow 2 / Height 2
Answer: u should have at least i gallon per person per day