50 points!
A. 35
B. 140
C. 30
D. 4

Answer: x = 35
Step-by-step explanation: We know that these angles are congruent since they are vertical angles so we can set up the equation 140 = 4x.
Divide both sides by 4 in order to isolate x and we find that 35 = x
So x = 35.