Question

Which of the following is an example of a combination?

O A. Picking 3 books to take with you on vacation from a collection of
20 books
O B. Selecting a president, vice president, and treasurer
O C. The number of ways that 4 people can win 4 different prizes
O D. The number of ways that 7 books can be placed in a row on a
bookshelf

Answer 1

a

Explanation:

uh this is basic head knowledge for me i cant really explain