In a story investigating margin, large variations between product groups are dominating the story. Which action might an Einstein Consultant take to resolve this?

A consultant built a very useful Einstein Analytics app for Sales Operations and they want to share its contents with the rest of Global Sales. However, they do not want to add everyone in Sales to their app. The consultant recommends extending the Sales Operations app and distributing it as an Einstein Analytics template app, but needs to locate specific information to get started.
What is the REST API URL where the consultant can find current template apps?

A company wants to use Einstein Analytics to analyze the trend of their sales pipeline. The company wants to accelerate the sales process. To do so, they need to know the average time an opportunity spends in each stage. This value is not pre-calculated in Salesforce, so a consultant recommends using a dataflow to calculate it.
How can a dataflow be used to calculate the average time an opportunity spends in each stage?

What are Einstein Analytics prebuilt permission sets? Select 2:

How can you restrict access to Analytics data at the row level?