Answer:
D' = (-2, -2)
Explanation:
When mirroring in the x-axis, only the y-coordinate is multiplied by -1 where as the x-coordinate remains the same.
If D = (-2, 2) and because 2 * -1 = -2, we can now write the coordinates of D'
D' = (-2, -2)
I believe that the answer is A
Brazil's coastline is 7,491 km and Argentina's coastline is 4,989 km. If you subtract, it will be 2,502
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