This is a tricky question. We are talking about story POINTS, and not entire stories in the question.
To create a story, lets say I have a blank story with 1 dashboard and 1 worksheet.
I can simply drag the dashboard into the view to create a new story point.

Now, if I try to adjust the worksheet beside it in this same view, I cannot. See below:

The only option available is to replace the existing view. Therefore, the answer is NO since they both cannot be added.
Read more about stories in Tableau: https://help.tableau.com/current/pro/desktop/en-us/story_create.htm

The only incorrect option is - Click on Dashboard in the Menu bar, select Tooltip, and then use the italics option.
This option doesn't exist. See below:

The rest of the options do exist, and therefore are correct:

A bullet graph is a variation of a bar graph developed to replace dashboard gauges and meters. A bullet graph is useful for comparing the performance of a primary measure to one or more other measures. Below is a single bullet graph showing how actual sales compared to estimated sales.

When we create a reference line, we get the following 3 options for the scope:

The word 'static tool' gives it away.
According to the official website :