4. If vector Cis added to vector B, the result is 41-9j. If Bis subtracted from C, the result is 61 +91. What is the direction of B(to the nearest degree)? Select the correct answer. (File attale) A a. 302° c. 299° c. 190° b. 241° d. 185° 5. A vector Ais added to B-91+61. The resultant vector is in the negative ydirection and has a magnitude equal to A. What is the magnitude of A? Select the correct answer. (File File attache) a. 13 b. 5.5 c. 6.5 d. 11 c. 9.8