Answer: Just put the numbers of the x and y coordinates onto the graph and draw a line.
Step-by-step explanation:
Uh I'm not sure how to graph online but just do that and your teacher should be good with it!
The answer is 10 hoped that helped
The value of angle Y is -120° because you know that angle S is half of angle Y and -60*2 equals -120°. Hope that helps!