What can be reviewed using the process visualizer?

Northern Trail Outfitters wants to use Contact Hierarchy in its org to display Contact association.
What should the administrator take into consideration regarding the Contact Hierarchy?

Which two actions should an administrator perform with Case escalation rules?
Choose 2 answers

Universal Containers wants support agents skilled in a particular product line to own cases directly after customers log them from an automated channel.
Which feature meets this requirement?

Universal Containers has purchased 25 new Salesforce licenses.
How many users can a System Administrator create at the same time on the Add Multiple Users page?