Find the direction angles of the vector. Round to the nearest degree, if necessary 18) v = -61 - 2] - 3k 18) A) a = 139, B = 104, y = 112 B) a = 149, B = 107, Y = 115 C) a = 97, B = 92%, Y = 94 D) a = 162, B = 108, y = 223 Find the indicated cross product. 19) v = 6i - 2j + k, w = 2i + 5j - k 19) Find V x W. A) 71 + 4j + 26k B) -3i + 8j + 34k C) 341 + 3j - 8k D) 31 - 8j - 22k 20) v = -61 - 2j + k, w = 3i - 5j - k 20) Find W x V. A) -31 + 7j - 36k B) -7i + 3j - 36k C) -361 + 7j - 7k D) 7i - 3j - 27k