Did someone give you those junkers, or did they pay you to take them away? When you could buy decent new fans with mounting screws and finger guards for $3. each at SVC.
. The 2 pin cord may be able to fit on a mobo fan connector. Check the pinouts to make sure you connect properly - red wire to 12V, black wire to ground.
. The bare wires will have to be spliced to one of your drive power cords - if it's a 12V or higher fan, then the red wire will go to yellow (12V) and black to black.
. If they came with no mounting screws and your case has no snap-in mounts, use the shortest no.10, pan head sheet-metal screws you can find (3/4 inch or less)- or hot-glue them in.
. That you apparently aren't able to figure this out for yourself might suggest a course of action - sell your tools!

.bh.
Where's the :sun: ??