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Mathematics 10 Online
OpenStudy (anonymous):

Which equations show direct variation between a and b? Choose all answers that are correct. A.b=0.7a B.b=1/8a-3 C.5 (1/a)=b D.1a=b

OpenStudy (anonymous):

@hartnn

OpenStudy (mkapad01):

I would guess that it's D.

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