What can be done after workflow field re-evaluation?

When a user creates a record by using an object-specific create action, what feed item for that record appears? (Choose 3 answers)

Sales manager at universal containers would like to standardize what information sales rep are gathering. Sales rep want recommendations, sales strategies and to know what key fields need to be completed at each step of the sales process on the opportunity record. What feature should an app builder use to provide this functionally?

An app builder wants to create a formula field on an Account to include data from related Contacts but is unable to find the relationship in the formula editor.
What is a limitation of formulas that could be causing the issue?

Universal Containers wants to streamline its data capture process by linking fields together. They wish to do this so that the available value on dependents fields are driven by value selected on controlling fields. Which consideration supports the stated requirements? Choose 3 answers