1) oct.
2) sept.
4) aug. &' sept
Not 100% though .
The lines mean that the number is going to become positive. |-178| will become positive meaning it will become= |178|
Answer:
x = 27
Step-by-step explanation:
The angle at any point on a straight line is 180 degrees.
The middle line over there is creating a right angle which is 90 degrees.
This must mean that both sides are 90 degrees.
3x+9 = 90
3x = 81
x = 27