Answer:
7
Step-by-step explanation:
If A is 7 units away from the x-axis then the x-axis is seven units away from A.
That's if I read the question right.
This problem is currently unsolvable as we do not know if the semi-circle has a radius of 31 or 19.
-6x + 4 = -4x + 6
Add 4x to both sides:
-2x + 4 = 6
Subtract 4 from both sides:
-2x = 2
Divide both sides by -2:
x = 2 / -2
x = -1
The answer is C.
