Which three resources in an Aura Component can contain Javascript functions? Choose 3 answers

An Apex method, getAccounts, that returns a List of Accounts given a searchTerm, is available for Lightning Web components to use.
What is the correct definition of a Lightning Web component property that uses the getAccounts method?

How should a developer create a new custom exception class?

Universal Containers wants Opportunities to be locked from editing when reaching the Closed/Won stage.
Which two strategies should a developer use to accomplish this? Choose 2 answers

Cloud Kicks Fitness, an ISV Salesforce partner, is developing a managed package application. One of the application modules allows the user to calculate body fat using the apex class, Bodyfat, and its method, calculateBodyfat(). The product owner wants to ensure this method is accessible by the consumer of the application when developing customizer outside the ISV's package namespace. Which approach should a developer take to ensure calculateBodyFat() is accessible outside the package namespace?