How many ways can 8 students standing in a line be arranged if Greg must be first in line?

How many ways can 9 students standing in a line be arranged if Greg must be first in line and Willow must be second in line?

In how many ways is it possible to elect a president, a vice-president, a treasurer, and a secretary for a club consisting of 11 members?

Billy selects some cards from a standard 52 card deck. What is the probability that he selects 1 hearts followed by 1 clubs?

Jill is pulling names out of a hat in order to select students to complete her survey. There are 3 names in the hat. What is the possibility that she selects the names out in order from youngest to oldest?