just 12b please

12. i) Determine whether the planes are parallel, perpendicular, or neither. ii) If parallel, find the distance between the planes. iii) If neither, find the acute angle between the planes( to one decimal place) and the equation of the line of intersection of the planes. a) x - y + 3z = 1 and 3x + y - z = 2 [10pts] b) 6z = 4y - 2x , 92 = 1 - 3x + 6y [8pts]