Answer: Option a) 3
Step-by-step explanation:
The formula for calculating combinations is as follows
Where "n" is the amount of items in a set and you can choose "r" from them
3C1 reads as: The combination of 1 in 3. You have a set of 3 elements and choose 1 of them.
So :
Depends how fast she run in mile average is 8 min a mile so if she is consistent it would take here 56 min to an hour
? 123456.789 ?????
then round2(123456.789)
=123456.79
Answer:
-61
Step-by-step explanaion, NOPE WE DONT DO THAT HERE