Evaluate the expressions. 8! -6! , 7! -5! , and 12! /8! brainlist 5 min left plz hurry

The evaluated expressions are ,    and

Step-by-step explanation:

The factorial of a positive integer n is the product of all positive integers less than or equal to n:

The factorial of n is denoted by n!

Now to find  the expressions 8!-6!, 7!-5!, and 12!/8! :

Given expression is 8!-6!:

 (By using factorial of n formula)

Therefore  

Given expression is 7!-5! :

 (By using factorial of n formula)

Therefore  

Given expression is

 (By using factorial of n formula)

Therefore  

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or