Pls help im stupid n i cant see my bf if i dont get this done i havent seen him in 2 months

-8/3

Step-by-step explanation:

The different ways can he line the textbooks up on his bookshelf =24

Step-by-step explanation:

The number of ways to arrange n things = n!

Given:  Number of different books = 4

Number of different ways to arrange 4 different books =4!

Number of different ways to arrange 4 different books= 4 x 3 x 2 x1

Number of different ways to arrange 4 different books = 24

Hence, the different ways can he line the textbooks up on his bookshelf =24