please answer

1) If a plane cuts the x,y and z axes at 4,8 and -4 what is the Miller index of the plane? (242) (242) (2,4,2) (212) 2) An unit cell has the following dimensions. It is a? a=1.2,b=2.3,c=3.3A,=80,=95,=85? monoclinic hexagonal orthorhombic friclinic 3) Which statement is true HCP is more plastic than BCC which is more plastic than FCC HCP is more plastic than FCC which is more plastic than BCC HCP is less plastic than FCC which is less plastic than BCC HCP is less plastic than BCC which is less plastic than FCC 4) a-Aluminium forms a cubic packed structure so it has a coordination number of