$($a$)$ Complete the chart on the intersection of three planes: $($ Each box $1$ mark$)$ K$,$A

$($b$)$ Describe the relationship between each set of planes, and solve the system if possible: $($Each part $3$ marks$)$ T$,$C

$($i$)$

$x-y-2z=3$

$3x-3y-6z=6$

$4x-4y-6z=12$

$($ii$)$

$2x-y+3z=4$

$6x-3y+9z=6$

$4x-2y+6z=10$

$($iv$)$

$2x-2y-6z=4$

$3x-3y-9z=6$

$4x-4y-12z=10$

$($v$)$

$x+y+2z=1$

$2x-y-5z=-4$

$2x+3y+7z=4$

$($iii$)$

$x-2y+4z=-4$

$2x+4y-1z=9$

$3x+4y+2z=8$

$($vii$)$

$6x-2y+2z=4$

$9x-3y+3z=6$

$12x-4y+4z=8$

$($viii$)$

$x+3y-z=-10$

$2x+y+z=8$

$x-2y+2z=-4$

$($vi$)$

$x+2y-2z=-1$

$2x+3y-6z=2$

$3x+6y-6z=-3$

$x+3y-z=-10$

$2x+y+z=8$

$x-2y+2z=-4$

$($a$)$ Complete the chart on the intersection of three planes: $($Each box $1$ mark$)$ K$,$A

There is part b$)$ but i ONLY need answer to part a$)$ SO please solve PART a$)$ ONLY! Thank you