Find angle AOC. What is its value?

ANSWER CHOICES

A. 40
B. 130
C. 50

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle