Show me a picture I’m not sure?
Look at the picture.

The perimeter of the triangle:
Answer:
If i'm not mistaken it's 2/3. Srry if i'm wrong i tried
Step-by-step explanation:
1/6+1/2=2/3
If there counting man as students then its 16/22
If there not counting them as students then it 16/38
Answer:
5
Step-by-step explanation:
8x+50=90
8x=40
x=5