11. Find the magnitude and direction angle for the vector v = 3 cos 123 i + 3 sin 123 j. (1 point) 0 31/2, 570 0 3 /2, 1230 03, 570 03, 1230 12. Find the angle between vector u = 3i + 3j and vector v= -2i-5j to the nearest degree. (1 point) 082 038 O 142 0980Use the graph to answer the question. 13. The vector 11 is graphed. Which of the vectors below would be orthogonal to vector u? (I point) H (4.7) (14,8) 14. A private plane is traveling due east at a rate of 155 mph. A south wind is blowing 35 mph. What is the actual velocity of the plane? $3120 mph "151mph $3159 mph $3190 mph (1 poin Use the graph to answer the question. 15. Given vector u = {3, 5} and the graph of vector v, nd v 4u and express the result in terms (1 point) ofi andj. 24i 131' 22j 9i + 7} 45i 13j 16. The dot product of u with itself is 24. What is the magnitude of u? (I point) 2v"? 2% 12 24 17. Vector v has a direction of {4, 27"}. Find the direction angle for v. (I point) 81.6 98.4 26] .6 278.4 5- OT V u Use the image to answer the question. 18. Vectors u and v are graphed. Explain in detail each step necessary to find the angle between (4 points) the two vectors and find the angle in degrees