Neagative six plus r is less than or equal to negative three point five
We have to find the number of ways an employer send 3 employees to a job fair if she has 11 employees.
This is the problem from combination.
The formula for combination is given by

Here, n= 11, r= 3
Therefore, total number of ways is given by

A is the correct option.
No not really because 89,420 cant be bigger than 27
12a-(4b+4a)-b
12a-4b-4a-b
=> 8a-5b