Write each vector as a linear combination of the vectors in S. (If not possible, enter IMPOSSIBLE.) S = {(2, 1, 3), (5, 0, 4)) (a) z (13,-9, 23) z = (____) s1 + (_____)s2
(b) v-(18,-4,¹) V =(_____) s₁ + (______)s2
(c) w = (4, -7, 13) W =(_____)w1 + (____) w2 (d) U = (2, 1, -1) U= (____) U₁ + (_____)U2