What can you build with the Lightning app builder?

Universal Insurance would like to highlight on a report claims that have been open for more than 30 days. What feature could be used for this? Choose 1 answer.

UC has a requirement that an opportunity should have a field showing the value of its associated account's billing state. This value should not change after the opportunity has been created. Is there a recommended solution to configure this automated behavior?

Universal Containers is expecting impacts to operations due to increased demand. The executive team will be reaching out to current customers and want to see the number of open cases for the account and parent account.
Which two tools could an app builder combine to display the number of open cases on the account page?
Choose 2 answers

universal containers has 20 different workflows on the opportunity object. To ensure that updates are processing properly for all field updates uc has the re-evaluete workflow rules after field change checkbox checked. Recently after adding a new workflow, users have reported receiving errors about workflow limits.
What should a app builder look at so address this?