Respuesta :
The problem above makes use of the concept of combination because the order is not important in the selection. The mathematical expression of the given above is,
18C4
which translates to "combination of 18 taken 4". The numerical value of the combination is 3060. Thus, the answer is letter A.
18C4
which translates to "combination of 18 taken 4". The numerical value of the combination is 3060. Thus, the answer is letter A.