Question

There are 8 people on the debate team. In how many ways can the coach choose 4 members to send to competition?

Answer 1

you are being asked to compute 8 choose 4 written
\[\dbinom{8}{4}\] and computed via
\[\dbinom{8}{4}=\frac{8\times 7\times 6\times 5}{4\times 3\times 2}\] cancel first, multiply last
or use a calculator that has the appropriate button

Answer 2

or just use the internet
http://www.wolframalpha.com/input/?i=8+choose+4

Answer 3

doesn't help. :l

Answer 4

nevermind, it does. ^-^