Which line of code creates a content slot that can be included on homepage.isml to display on the home page?

A Digital Developer added a file named MyBusinessController.js in the cartridge named app_project. The project design calls for this new file to override MyBusinessController.js in client_project. The client_project cartridge contains other necessary functionality. Additional functionality is also included in the storefront_core and storefront_controllers cartridges.
Which cartridge path meets the project requirements?

A client has three different sites with three locales. Two of the sites share a library and one site has a private library.
What does the shared library allow in this context?

Given the requirements:
* To show the washing instructions for a clothing product on a dedicated section the detail page
* Washing instructions come from the product information manager(PIM)
* To have this attribute available to localize in the Storefront.
Which action meets these requirements?

A Digital Developer has identified that the code segment below is causing performance problems.

What should the Developer do to improve the code?