well i have some problems i have tried hard to solve them but wasnt succeed

1- find the equation of the plane throw (2,-1,3) , (-3,4,3) and parallel to the vector <-5,-3,2>

2- find the distance between the two planes 4x-3y+2z-9=0 .

8x-6y+4z=0

3-find the equation of the plane through (1,2,3) and perpendicular to

3x-y+2z+5=0 , 4x+2y-3z+8=0

help plz my exams is next week