81
A batting 'line up' consists of nine batters.
The number of combinations in which eight people can line up is calculated using the factorial of the number of people, which is 8!. This equals 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1, resulting in a total of 40,320 different possible arrangements.
14 combinations.
42 combinations.
positive combinations:14 positive combinations not counting the same one just flipped:7 combinations including negatives: infinate
The answer is 31C5 = 31!/[26!5!] = 169,911
*9.5
16 i think
shut up guys
10
I think there are 88 different combinations of coins that can make up 66 cents.
Counting all combinations of squares, the correct answer is 204