For #S 18-20. Given The Table Of X And Y, When Y Varies Directly , As X. X 3 6 9 12 Y 4 6 8 18. The

For #s 18-20. Given the table of x and y, when y varies directly , as X. X 3 6 9 12 y 4 6 8 18. The constant of variation? k = 19. Equation of the variation? y = 20. What is y when x = 15? y = NI

 

Answer:

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Step-by-step explanation:

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