I'm a wave, the medium moves parallel to the direction that the wave travels

8. a) Four different-coloured pennants are

going to be hung in a row to decorate a

gymnasium wall. In how many different

orders can the pennants be hung?

b) Repeat part (a) for five differentcoloured pennants.

c) Repeat part (a) for 10

I agree up there

Explanation:

I take physics on odyssey ware too