Use the Combinations Formula

question 15

Multiple Choice

Use the Combinations Formula
-Ron finds 8 books at a bookstore that he would like to buy, but he can afford only 5 of them. In how many ways can he make his selection? How many ways can he make his selection if he decides that one of the books is a must?

• A) 56; 35
• B) 6720; 840
• C) 336; 210
• D) 3360; 420

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Definitions:

Culture Wars

Conflicts between groups with different ideals, beliefs, or philosophies, often related to morality, religion, and cultural norms.

Ideal Culture

The standards a society would like to embrace and live up to—a utopian version of itself.

Mores

Societal norms or customs that embody the fundamental moral views of a group or society.

Otaku Culture

A subculture centered around the intense fandom of anime, manga, video games, and other aspects of Japanese pop culture.