Answer:
3
Step-by-step explanation:
First, let's solve whats in the absolute value. If wee plug in the values of x and y, we get -(12) + 5(3) which is -12 + 15. This equals to 3. Now concerning the absolute value, it makes the value inside it always positive. And since the answer is positive, that means it remains the same.
Yea you're on the right track.
3 because radius is half of the diameter.
