Hi @Teresa Harris,
What is the make and model number of the camera?
If it is a Finepix S4200 check that the ''silent mode'' setting is turned Off.
If it is Off and there is still no audio in a movie etc, make sure that the microphone is not covered during filming.
Here’s a composite image (derived from the [https://www.fujifilm.com/support/digital_cameras/manuals/pdf/index/s/finepix_s4200-s4500_manual_en.pdf|user manual]) that shows the setting location and where the microphone is located
[image|2041829]
(click on image to enlarge for better viewing)