X/(-9) = 16
x/(-9) x (-9) = 16(-9)
x = 16(-9)
x = - 144
hope this helps
Answer:

Step-by-step explanation:
120 degrees is one third of the whole circle, or 
2 2/8 or 2 1/4 if thats what you are asking for
How are we supposed to answer that question. When we can't see the segments?