It would be the first one and the third one then the last
The answer is 38 degrees. It WOULD be -38, but difference can not be negative.
Answer:
117, 55, 54, 77, 130, 7h + 5x, 14
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
---> by addition angle postulate
we have
----> given problem
----> given problem
substitute in the expression above

Divide by 2 both sides

Answer:
more info please
Step-by-step explanation: