Answer:
Angle 2= 127
Angle 3= 23
The measure of angle 4 is 90° because the 90° is marked
For this case we must simplify the following expression:

So, solving the first parentheses we have:

We have to:

We add similar terms taking into account that different signs are subtracted and the sign of the major is placed:

Finally, the simplified expression is: 
ANswer:

I believe it is set A Correct me if i’m wrong
Answer:
its good thanks for asking :D
Step-by-step explanation:
sorry for stealing your points :(