I THINK THE ANSWER WOULD BE C
Answer:
84 different lineups are possible
Step-by-step explanation:
The order in which the songs are chosen is not important. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.

In this question:
6 musics from a set of 9. So

84 different lineups are possible
Answer:
I need help too.
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Step-by-step explanation:
like neow.
If you need to find the length for each ribbon divide the length of the full ribbon then divide by how many you need and you have your answer hope this helped please mark me the brainliest answer? Have a good day :)