I believe your answer will be 10
A. My best friends, whose name is Laura, is in law school.
You know this because, if you were to take out the part in between the commas, the sentence would still make sense. It just adds additional detail.
Answer:
The prizes can be given in 1320 ways.
Los premios se pueden otorgar en 1320 maneras.
Step-by-step explanation:
The order in which the swimmers are ranked is important. That is, A, B and C is a different finish than C, B and A. So we use the permutations formula to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:

In this question:
3 prizes for 12 swimmers. So

The prizes can be given in 1320 ways.
Los premios se pueden otorgar en 1320 maneras.
The answer is r = -1/n+A/n
If it isnt in standard form already it would be 69000000