2n+5...a couple is two people so you need to multiply the number of couples, n, by 2 to get the total number of dancers. Then add the total number of organizers.
N 2-1 < 3
n is equal to :
2-1 = 1 so n would have to be 1 in order to be less than 3
One such polynomial might be

Another with the same roots would be
Answer:
13,930
Step-by-step explanation:
hope this helps!