Answer:
point of M =(5, 2)
N=(-1, - 2)
now from distance formula
show in pic
20 questions. Your friend would have to get 12/20 questions right and you would get 11/20 questions right. 12 and 11 don’t have any common denominators so that’s your answer. Hope this helps!
In plain and short, we'll simply divide 180 by (4+5+9), and give 4 pieces of those to the ratio of 4, 5 to the ratio of 5 and 9 to the ratio of 9, thus