if Y=0 then all you have to do is find X so the axis of symmetry is X=0, I hope this helps
1/5 divided by 3 is 1/15, so each of the dogs will get 1/15 of the bag!!
Based on what i have seen i believe your answer is going to be A.
123+70+72=265
the total is 360 so, 360-265=95 so 95 degrees
The coordinate of A would be (10,2)