What is the distance between the given parallel planes?
A) 4x-5y+z=16, 8x-10y+2z=1
B) 4x-5y+z=16 and 8x-10y+2z=1
C) 4x-5y+z=16; 8x-10y+2z=1
D) 4x-5y+z=16 & 8x-10y+2z=1