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2. If a = (3, 2) and b = (-5, 3), what is a + b ? a. (2, 5) b. (-2, 5) C. (8, 5) d. (8, -1) 3. What is the magnitude of the vector a = (-3, 5)? a. 2 b. 4 C. V29 d. V34 4. If a = (5, -12), what are the magnitude and direction of a? a. (13, 67.40) b. (13, 247.40) C. (13, 112.60) d. (13, 292.60) 5. A vector's magnitude and direction are 8 and 125. What are its x and y lengths correct to 2 decimal places? a. (-5.65, 5.65) b. (4.59, 6.55) c. (6.55, -4.59) d. (-4.59, 6.55)