Answer:
Step-by-step explanation:
A.11^4/11^11
(y+17)÷18=22.5
y+17=22.5×18
y+17=405
y=405-17
y=388
The answer is 10
I hope this helped and please mark me as brainliest!
x=30
Angle sum in a triangle=180
x+3x+2x=180
6x=180