Answer:
494
Step-by-step explanation:
U can multiply on some answers but some are trick questions
Well, you're given that

. I think the extra information is extraneous, unless there's something more that you forgot to add.
Hope I could be of some assistance. :)
Answer:

Step-by-step explanation:
Being
=<3,4> and
=<1,2>, we must find

If m is the magintude of
:

Where a and b are the components of 


The best possible solution for this item is to determine the permutation of 8 taken 3 since there are 3 positions and 8 people are qualified. We will use permutation instead of combination because of the specificity of the positions. That is,
8P3 = 336
Thus, there are 336 ways in which the officers can be selected.