If 4x+y=34, 2x-y=20, for integers of x and y, y^2=?  Answers:
A) 2 B) 4 C) 0 D) 10 E) 3
4x+y = 34   2x-y = 20   6x = 54   x = 9   y = -2   y^2 = 4   Answer is 4
<result>B</result>
If 4x+y=34, 2x-y=20, for integers of x and y, y^2=?