Respuesta :

Melanielolol
9y+68+ 5y= 180
14y+68= 180
-68 -68
14y= 112
Y= 8
Now that we know what y is, we can plug it into the equation for angle B and find its actual angle measurement.
9(8)+ 68= 72+ 68= 140
So its 140 degrees.

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