Can someone help me with these questions please

1. for the first one is functional 2.

Explanation:

there's 11 people for the 1st position. then, no matter who gets it, there's only 10 left for the second, and then 9 left for the third. 11 x 10 x 9 = 990.   the answer is there are 990 different ways the positions can be filled by these applicants

answer; /// egg production using the factory technique falls less than with the free range technique;