A) Find a Vector Perpendicular to Vectors 2i + 3j-k and 3i +
k
B) Find the area of the triangle whose vertices are (2, -1,1),
(3,2,1) and (0, -1,3)
C) Find the volume of the parallelepiped with adjacent axes PQ, PR, and PS with P(1, -2.2), Q(1, -1.3), S(1,2,3)
R(1,-2,3)