Which relationships are true? Hint: the List of symbols in the front cover will help) a) Q ? Z b) Q ? Z = Q c) Z^+ U Q =Z

Question

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Answer 1

Is there anyway you can provide the front cover of where ever this question came from?  I realize this is not an answer, but the image would probably help.  I suggest using a picture posted on something like imgur and a link to the picture...