Look for a common number in all the terms
6(2a+3b-c)
Substitute the value of b = -2 to the expression

Answer:
87
Step-by-step explanation:
Given is a figure of cyclic quadrilateral.
Opposite angles of a cyclic quadrilateral are supplementary.
Therefore,
z° + 93° = 180°
z° = 180° - 93°
z° = 87°
z = 87
I have no clue. im on that same question
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