Answer:
The answer to your question is 37.5
Step-by-step explanation:
X + Y = -3
X + 3x +5 = -3
X=-2
X+Y=-3
Y=-3+2
Y=-1
No
He is not correct because paper is a one-denominational surface, and volume only comes from 3 denominational objects.
Check the picture below to the left, let's use those sides with the law of sines
