Answer: 8.9 units (choice C)
Explanation:
We plug
into the distance formula to get the following

This question is worded slightly strangely but I believe I understand it.
To eliminate x, multiply the second equation by 8, so that it becomes 4x + .8y= 96
Then you can subtract 4x on the top by 4x on the bottom to eliminate it.
.25 or 1/4 Is the simplest form
The answer that I got was 7
the first one ((x+8, y+2), r x-axis)