Given:
6 male professores
9 female professores
5 male teaching assistants
6 female teaching assistants
Sol:.

N (professors)

N(Male)

N(professors and male)

N(professors OR male) = N(professors) + N(males) -N(professor OR male)

N(People to choose from)

Then probablitiy is:

Then the probability is 10/13
Answer:
the answer to this is b( 2,-8)
When u times 28 by 32 you will get 896..I'm not sure if this is what u were asking for but if so here you go :)
it is a polygon and it would be a decagon since there are 10 sides