Respuesta :

The correct answer is 57%

Answer:

7. 64

22. 12.9

12. 22

Step-by-step explanation:

x = 154    154 - 90 = 64

15% of 86 is 12.9

A triangle's angles must all add up to 180.

90 + 68 = 158    180 - 158 = 22

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