Please write out on a piece of paper how you got the answer. Questions: 1,2,3 and 4 thank you

1. Solve for x. a. = [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. RP op C. the perimeter of APQR 3. If -> = [4, -1] and -> = [2, 7], find a. 8-> b. -8- C. + u u d. D u e. 5-> -3- f. -4-> +7- 4. Let - = [3, -5], - = [-6, 1], = = [4, 7]. Evaluate each of the following. W a. b. C. + v w W d. -3- 0 (2-) e. 5- . (27) t. w W W g. ( - + 2-> ) . (3 - - -7 ) h. i. W u W w