The compartments of a standard Billy bookcase are typically around 14 inches tall. This height is suitable for storing regular folders, as most folders are designed to fit in standard bookshelves and cabinets. However, it is always a good idea to measure the height of your folders to ensure they will fit comfortably in the compartments of a Billy bookcase. **

The shelves of a Billy bookcase are typically around 11 inches tall. Regular folders, which are usually around 9-10 inches tall, should fit comfortably on these shelves without any issues. The height of the shelves is designed to accommodate standard-sized books, folders, and other items commonly found in a home or office setting. **

To attach the Billy bookcase extension to the Billy bookcase from Ikea, you will need to first assemble the extension according to the provided instructions. Once the extension is assembled, you can simply place it on top of the existing Billy bookcase and secure it in place using the provided hardware, typically screws or brackets. Make sure to follow the specific instructions provided with the extension to ensure a secure and stable attachment to the bookcase. **

To attach the Billy bookcase extension unit to the Billy bookcase from Ikea, you will need to align the pre-drilled holes on the side of the extension unit with the corresponding holes on the side of the bookcase. Then, use the provided screws to secure the extension unit to the bookcase by inserting them through the holes and tightening them with a screwdriver. Make sure to follow the assembly instructions provided by Ikea for a secure attachment. **

72 is a number that represents a quantity and does not have a specific time associated with it. However, if you are referring to the number 72 in a different context, such as a temperature or a time on a clock, please provide more information so I can give a more accurate answer. **

No, cheating is not 72. Cheating is an unethical behavior that involves dishonesty and deception, and it is not represented by a numerical value. Cheating can occur in various contexts such as academics, relationships, and sports, and it is generally considered to be harmful and unfair to others. Therefore, it is important to uphold integrity and honesty in all aspects of life and avoid engaging in cheating behavior. **

To paint a white Billy bookcase, you will first need to prepare the surface by sanding it lightly to create a rough texture for the paint to adhere to. Then, you can apply a primer to the bookcase to ensure that the paint will stick and provide an even finish. Once the primer is dry, you can paint the bookcase with your desired color using a paintbrush or a paint sprayer. It's important to apply thin, even coats and allow each coat to dry completely before applying the next one. Finally, you can finish the bookcase with a clear sealant to protect the paint and give it a smooth, durable finish. **

To paint a Billy bookcase white, you will first need to prepare the surface by sanding it lightly to create a smooth and even texture. Next, you will need to apply a primer specifically designed for use on laminate or veneer surfaces to ensure proper adhesion of the paint. Once the primer has dried, you can then apply several coats of white paint, allowing each coat to dry completely before applying the next. It is important to use a high-quality paint and a smooth roller or brush to achieve a professional-looking finish. Finally, you can add a clear topcoat for added durability and protection. **