Scout Ahead https://www.scoutahead.org/plans/signs-signals-and-codes-merit-badge/questions

Which of this applies to you?

Answering these takes the parts that are not for you out of Signs, Signals, and Codes Merit Badge. Nothing is required, nothing is kept on the server, and nothing is ever hidden because a question went unanswered. A step that might apply to you stays on the list and is marked.

Requirement 8: which three activities?

The badge says for THREE of the following activities, demonstrate five signals each, and tell what they mean and why they are used. The fifth is an activity you and your counselor select.