Compute the permutations and combinations.
from a committee consisting of 5 men and 6 women, a sub-committee is formed consisting of 4 men and 3 women. how many different subcommittees are possible?
100
360
600

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Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)