Is there a picture or no?
these points do not make up a right triangle because you can visibly see that there is no 90° angle
Answer: point b
Step-by-step explanation:
eatch mark on the line is 0.1, b is right behind the 8.6 mark in the middle making it 8.65
1g = 1,000mg
0.5g = 0.5 · 1,000mg = 500mg