Respuesta :

Answer:

C. 9

Step-by-step explanation:

11y-36=63

11y=99

y=9

Answer:

C) 9

Step-by-step explanation:

Because the two angles are vertical angles, they are congruent. Because they are congruent, their measures are equal:

11y - 36 = 63

Simplify:

11y - 36 = 63

11y = 99

y = 9

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