It depends on the weather but ill go with the second one. U dont have to take my advice tho.
Answer:
3
1
2
Step-by-step explanation:
Math simplification
Answer: 
Step-by-step explanation:
Given
The two communication mask are 2 km apart
Ubi's home is 500 m east of one of the mask
Suppose its distance from the other's is x
From the figure, we can write