Please i need help with this home work thank you

Find all values of h such that y will be in the subspace of R* spanned by V1 . V2, Vg if v, = 2 4 V3 = 0 , and y = 6 8 h O A. all h# - 12 O B. h= - 32 O C. h= - 12 or 0 O D. h= - 12Find a basis for the set of vectors in R in the plane x- 5y + 2z=0. [Hint: Think of the equation as a "system" of homogeneous equations.] A basis for the set of vectors in R in the plane x - 5y + 2z =0 is {}