Sate FOUR checks you would make before booking an airline ticket.

Check 1: Do I have my phone

Check 2: Do I have enough money to buy a airline ticket

Check 3: Do I have everything I need

Check 4: Do I remember where I need to fly to

Explanation:

I hope this helped!

muslims control the north africa during the period of 1500 up

to 1800. they made a barrier to prevent further european exploration from

entering the africa from the north. however, the dutch ware still able to move

toward the interior with having south africa as one of the routes leading to

the east for trading with asia.

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