Things that did not work were the ISO because the background was white that it would bring out more light in the background and made the picture brighter. Things that did work was the shutter because we had made the time spanned short to like 5 seconds for the person to choose there pose for them to stand in.
Black background
https://photos.app.goo.gl/PBpW7rMpBGO1QKv03
Things that did not work was the ISO was a problem because it would leave some light in the black ground so we had to play around with it for it to work. things that worked was the shutter speed so the person would not have to stay still for a long time.