Vectors and Matrices - University (6 Questions)Need it by 10pm ; sorry for short notice

Choose the vector with the same direction as v1 + v2 where V1 = and V2 = A: -+ B: C: D: - E: F: G: H: Assuming that each of the four vectors u = 1, d = 4, 1 r has a length (or magnitude) of 1, find the length of the vector sum ututr+r+dtu+r+l (Round to 2 decimal places) Find a unit vector in the same direction as 1/ V3 1/ V6 1/ V14 A: B: -1/V3 D: -2/ V6 E: -2/V14 -1/ V3 -3/ V6 -3/V14 Find the angle between vectors u = -1 and v = (Express the angle in degrees and round to 1 decimal place) Find |[proju(v)II, the magnitude of the projection of vector v = onto u = (Round to 2 decimal places) Find the general equation of a line in R2 passing through the point (1, 3) and parallel to A: 7x + 2y = 13 B: 7x - 2y =13 C: x + 3y = -5 D: 2x - 7y =4 E: Neither