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
Answer: 2x
Step-by-step explanation: because 5+2-3=4
29 and 31
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Answer:
hello, i am not sure. but the answer is between a and c
Step-by-step explanation:
Answer:
c. (1,-2)
Step-by-step explanation:
by adding them together you can cancel out the y's and solve for x. once you get x, you can plug it into either equation and get y.
hope this helped :)