Answer:
hey its me again so the answer is 11.
I'm sure because I did this.
angle y is 160 degrees
2/20
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
-4, 0, and 4
Step-by-step explanation: