Answer:
-2x+4=-16
-2x = -16-4
-2x = -20
x = -20/-2
x = 10
30 degrees
Step-by-step explanation:
180 - 120 = 60
60 / 2 = 30
Hope that helps!
I think the answer is the fourth one
B. 0.00604
D.1.47 ×