64 - there are 64 squares .
using a fire place.
100
as many as there are ways to place points on a line segment
8 x 7 x 6 = 336 ways
Without repeats, 24. With repeats, 256.
6840
24
720
There are many ways to describe to a driver the direction from your place. You could give them step by step instructions.
120 ways, 5! (5 factorial) for first place you have 5 candidates, for second place you have 4 candidates, for third place you have 3 candidates, for fourth place you have 2 candidates, for last place you have 1 candidates, 5 x 4 x 3 x 2 x 1 = 120 different ways
210. 7 * 6 * 5