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Question 6 1 pts Given the points A(4, -5, 3) and B(-3, 5, 3), find the vector u = AB U = Get Help: Video Ex O ( 5 , - 3 , - 1> O O O and b = . Find the angle between the vectors The exact angle is cos (a) Find the above a. Get Help: Video Ex O 11/23 O 32/33 19/29 O 24/41D Question 8 Leta: (O,2)and3= (8,8). Compute the projection of 5 onto b and the vector component of E orthogonal to 6. Round to 3 decimal places. PI_J'35 = O O O Question 9 1 pts Let a = (0, 2) and b = ( - 8, 8). Compute the projection of a onto b and the vector component of a orthogonal to b. Round to 3 decimal places. Find Orthogonal component = Get Help: Video Ex O O O O Question 10 1 pts Assume a, b, and c are vectors. If we were to simplify the expression a . (b xc) the result would be: O a scalar O a vector this does not make any sense