Answer:
1960 dancers
Step-by-step explanation:
your are on "ace" level and need help here ?
a pair is 2 people
4 pairs is therefore 4×2 people = 8
245 teams of 4 pairs or 8 people each means
245×8 = 1960 people
A
you will get 3(x-1)×(x+1) you can get the 3 and x by itself then it would be x+3
Answer:5
D