Can you explained the triangle. bad pic
Answer:
1,001 ways for them to decide.
Step-by-step explanation:
The order in which they will visit the countries is not important, so we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.

In this question:
10 countries from a set of 14. So

1,001 ways for them to decide.
This type of question I found on Brainly. But I would recommend to download course hero!
This type of question I found on Brainly. But I would recommend to download course hero! There is so many different subjects and answers too. But I hope it's will be helpful. :))
Answer: 301.44
Explanation:
V = πr^2•h
3.14•4^2 • 6