Respuesta :

Answer:

b=7

Z=65

Step-by-step explanation:

18b-11+9b+2=180

27b-9=180

27b=180+9

b=189/27

b=7

____________

Angle Z=9×7+2

=63+2

Z=65

hope it helps you...

have a great day!!!

13root13

Answer:

b = 7

z = 65

this is correct answer of this question hope it helps and your day will be full of happiness ^_^

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