1. Solve for x. a. - = [x, 3x], b. - = [2x, x], -> = [x, 2x], =>+ = 9 2. Given points P(-6, 1), Q(-2, -1), and R(-3, 4), find a. RP b. lepl C. the perimeter of APQR 3. If - = [4, -1] and - = [2, 7], find a. 8- b. -8- C. + u d. e. 5- -3- f. -4- +7- u v 4 . Let - = [3, -5], - = [-6, 1], - = [4, 7]. Evaluate each of the following. u W a. b. + C. + w u W d. -3- . (2-) e. 5- . (2- - -) f. V W V w W g. ( - + 2 -7) . (3 -7 - ->) h. -. u W W W