Respuesta :
Answer:
9
Step-by-step explanation:
Each person has three possibilities of where to stand.
Answer: 4 diff. Line Ups
Step-by-step explanation:
There are only four combinations (ABC, ABD, ACD, and BCD)
Answer:
9
Step-by-step explanation:
Each person has three possibilities of where to stand.
Answer: 4 diff. Line Ups
Step-by-step explanation:
There are only four combinations (ABC, ABD, ACD, and BCD)