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1. Answer:

   none of the above

   step-by-step explanation:

   the measure of angle z is

   m∠xzy = (a -b)/2 . . . . . = 180°-b

   the measure of angle o is

   m∠xoy = b

   [tex]Which equation is correct regarding the diagram of circle o? a) m∠xzy = (a + b)b) m∠xzy = (a – b)c)[/tex]

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2. if you need just tell me and i will come to the rescue.

   step-by-step explanation:

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3. Step-by-step explanation:

   3rd option dude mark as brainliest

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