How can we help?
Ross Mery Kwon
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For question 1 I have 45 and for the 2nd question I have n(a/b)=n(a and b) / n(b) = 5/14 = 27
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I really don’t know how to start. Should be awesome if we can go trough that.
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Total activity 4
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Last activity
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Member since
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Following 0 users
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Subscriptions 1