You need to areange six of your favorite books along a small shelf. How many different ways can you arrange the books. Assuming the order of the books makes a difference to you?

There are 720 ways on arranging 6 books.

Step-by-step explanation:

In this question, order of positions are important so this is a Permutation. So you have to apply Permutation Laws, nPr where n represents number of objects and r is the number of seats :

(Correct me if I am wrong)

answer: can and shows the work

step-by-step explanation:

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5