1. The final score of a soccer game is 6 to 3. How many different scores were possible at half-time?

2. Evaluate the following

a)$\displaystyle \frac{11!}{9!}$

b)$\displaystyle \frac{8!}{5!2!}$

c)$\displaystyle \frac{15!}{3!8!}

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d)$\displaystyle \frac{14!}{4!5!}$

I tried doing these in my calculator but you cannot because the numbers are too big.