Universal Containers uses a private sharing model for opportunities. This model CANNOT be changed due to a regional structure A new sales operations team has been created. This team needs to perform analysis on Opportunity data, all should have read arid write access to all Opportunities.
What are two recommended solutions for the app builder to give the users appropriate access? Choose 2 answers

Cloud Kicks is redefining its entire business process to convert the Manager Notes field from a long text area field. The goal is to encourage managers to be more concise in their comments and stay at 255 characters or less. There is preexisting information in the Manager Notes field that often is well beyond the character limit.
What would happen to any existing information if the app builder tries to convert a preexisting long text area field to text area?

An app builder at Ursa Major Solar has been working on a new custom app in a sandbox that has been upgraded to the next major Salesforce version, and their production instance is still on the current Salesforce version. The development is complete and they are ready to deploy a change set.
What should the app builder consider when planning the deployment?

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

The director of marketing has asked the app builder to create a formula field that tracks how many days have elapsed since a contact was sent a marketing communication. The director is only interested in whole units. Which function should be used to calculate the difference?