Answer:
I dont know the answer wait ima get it right now
Step-by-step explanation
i do not know the answer
Again u just have to meaiuse
Uhhh 0.3 or 1.2 lol hope this helps
You first identify what supplementary angles are,angles that add up to 180.
5x+2+8x+9=180
17x+11=180-11
17x=169
x=169divided by 17
x=9.9411
x=10 when rounded into the next value
8x*10=80+989
4.1 rounded to the nearest ones is 4
