Help' how would I answer the following vector questions?

Question 8 (1 point] Question 17 (1 point) Listen Listen axb = axe A car drived 50 km on a bearing of 125%. If its position is defined in terms of What can you say about b and c'? Cartesian coordinates, the y-component will be al Their magnitudes must be equal O a) -40.1 bl They must be equal Obl 28.7 Their directions and magnitudes could be different O d 40.1 d) The angles they make with a must be equal O d) - 28.7 Question 9 (1 point) Listen The vector projection of w = [3, -4. -2] on the x-axis is: Question 19 (1 point) O 3 Listen Let u = [-1, 2, 2] and ' = [1, -1, 1] Find ( 1 x 7 ) Question 13 (1 point) [3, 4, 1] Listen Find the magnitude of the resultant of the following four forces: [3, 4, -1] 9N north, 5N south, 7N east and 10N west. O 7N O [4, 3, -1] OIN OSN O [-1, 3, 4] O 10N Question 14 (1 point)