Hello, aeroflix!

Here's the first part . . .

We choose a President and a Secretary from the 8 PO1's.Eight PO1's and six PO2's are on the board of the club.

In how many ways can the members elect, from the board,

a president, a vice-president, a secretary, and a treasurer

if the president and secretary must be PO1's

and the vice-president and treasurer must be PO2's?

. . There are: . ways.

We choose a V.P. and Treasurer from the 6 PO2's.

. . There are: . ways.

Therefore, there are: . ways.