A developer needs to apply the look and feel of lightning experience to a number of applications built using a custom third-party javascript framework and rendered in visualforce pages which option achieves this?

A platform developer needs to write an apex method that will only perform an action if a record is assigned to a specific record type. Which two options allow the developer to dynamically determine the ID of the required record type by its name? Choose 2 answers

What are the eight officially supported languages on Heroku platform?

Which two combined methods should a developer use to prevent more than one open Opportunity on each Account? Choose 2 answers

Which two number expression evaluate correctly? Choose 2 answers