Plz solve these simple linear algebra problems

Question5: Find a basis for the subspace W of R, spanned by the set of vectors 1= [1 1 0 -1]; v2 = [0 1 2 1]: v3 = [1 0 1 -1]; 14 = [1 1 -6 -3]; vs = [-1 -5 1 0],What is dim W? Question 6: Find basis for M22, that contains the matrices M1 = [ ] and M2 = 18 41 Question 7: Let S = (v1, V2, Vy] and T = (w], W2, wa] where be ordered bases for R3. Let 8 and w = i. Find the coordinate vectors of v and w with respect to the basis T directly. ii What is the transition matrix Ps-r from the T to the $ basis? iii Find the coordinate vectors of v and w with respect to S. using PS-T- iv. Find the coordinate vectors of v and w with respect to $ directly. V. Find the transition matrix Qr-s from the $ to the T basis. vi. Find the coordinate vectors of v and w with respect T, using QT-5- Compare the answers with those of (i). Question 8: Find a basis for the null space, row space and column space of matrix NONE A CAN 15 18