1. Provided u = (0, 2, 5, 3) and v = (7, 2, 4, -5), find w such that 3u + 2v-5w = 0 Show your work. 2. Determine whether the set S spans R. IF the set does not span R, then give a geometric description of the subspace that it does span. Show your work. S = {(5, 6, 5), (2, 1, 5), (0, -4, 1)}