3 or 4 of them are correct but I don't know which ones

Positive, Negative or Zero

Thanks for the help

Determine whether the flux of the vector field F through each surface is positive, negative, or zero. In each case, the orientation of the surface is indicated by the gray normal vector. 1 1 0.5 Zero v Negative v Zero v Y Y = 0.65 -0.50 0.5 Zero Negative v (Click and drag to rotate)