PLEASE HELP I NEED IT TO PASS THIS CLASS

Answer:
55°
Step-by-step explanation:
Angles x and 125° are linear pair,
So,
x + 125° = 180°
x = ( 180 - 125 )°
x = 55°
Answer:
55
Step-by-step explanation:
STV=180
STW=125
WTV=x
STV=STW+WTV
180=125+x
x=180–125
x=55