Which two solutions prevent a formula field from being referenced by a Roll-Up Summary Field?

Universal Containers (UC) has large data volumes and is nearing data storage limits. The planned solution is to archive historical data to reduce data storage in Salesforce; however, UC would still like to use reports, queries, and lookups on the archived information.
Which two options could meet this requirement?
Choose 2 answers

Which of these actions are executed after a re-evaluated workflow? (Choose 3 answers)

A skill contains a PlanMyTripintent configured to require slots fromCityand toCity. It contains the following interaction:
Alexa: What city are you leaving from?
User: I'm leaving from Seattle.
Alexa: You want to fly out of Seattle Tacoma International Airport, right?
User: Yes
Which of the following should the Builder use to confirm the value of the fromCityslot only? (Choose two.)

In order to delete the Opportunities, Universal Containers would like sales reps to submit requests for approval from their sales manager. What can be used to meet these requirements?