Answer:
what do you need help on?
It is B just use a calculator hope it helped
Answer:
-146, but I could be wrong, so wait till someone else answers
Step-by-step explanation:
Method 1.
Use the formula of a distance between two points:

We have

substitute

Answer: 10
Method 2
Look at the picture.
Use the Pythagorean theorem:

Answer: 10