A baking club wants to form an executive committee. There are people in the baking club, including mark. In how many ways can the baking club form an executive committee with people?
How many people?
n people in club, m people in commitee
\({n \choose m}=\frac {n\times (n-1)\times \cdots \times (n-k+1)}{k\times (k-1)\times \cdots \times 1}=\frac {n!}{k!(n-k)!}\) ways to choose a commitee