If y varies directly as x, and y is 18 when x is 5, which expression can be used to find the value of y when x is 11?

A. Y = 5/18 (11)

B. Y = 18/5 (11)

C. Y = (18) (5) / 11

D. Y = 11 / (18) (5)

Find x if you=4 3y-6/x=12

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Line that is parallel to y = - 3/2x-1

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A building has a height of 100ft and a length of 100ft. An architect wants to add to the building by doubling the length of the building. What is the length of the building after the addition?