Solve for x. * = [x, 3x], = =9 b . =[2x, x], = = [x, 2x], # + = =9 2. Given points P(-6, 1), Q(-2, -1), and R(-3, 4), find a b. C. the perimeter of APQR 3 If - = [4, -1] and = = [2, 7], find a. b. - 8- C. d e. 5- - 3- f. 4-+7- 4. Let - = [3, -5], - = [-6, 1], - = [4, 7]. Evaluate each of the following. a. b. u w C. w d. -3- . (2- ) e. 5- . (2- - -) f. 8. ( # + 2 - ) . ( 3 - - -7 ) h . u W w 5. Determine the value of k so that - = [2, 5] and -> = [k, 4] are perpendicular. 6. Determine the interior angles of AABC for A(5, 1), B(4, -7), and C(-1, -8). 7. Given vectors - = [6, 5] and - = [1, 3], find proj- -. Resolve - into perpendicular components, on of which is in the direction of -. 1. Copy and complete the table. Explain your answers. Quantity Vector or Scalar 6 CD -V7 N Convert each true bearing to its equivalent quadrant bearing. a. 070 b. 140 0 210 0 3. Convert each quadrant bearing to its equivalent true bearing. a N35.W b. S10 W N74 E 4. A ship is travelling at a heading of 220 at a speed of 14 knots. A current is flowing at a speed of knots, at a bearing of 060. What is the ship's ground speed? 5. Devon is holding his father's wheelchair on a ramp inclined at an angle of 20 to the horizontal with a force of magnitude 2000 N parallel to the surface of the ramp. Determine the weight of Devon's father and his wheelchair and the component of the weight that is perpendicular to the surface of the ramp. 6. A 75 N box is held by two cables fastened to the ceiling at angles of 80 and 70 to the horizontal. Determine the tension in each cable