Final answer:
Martha acting assertively means she is displaying confidence in expressing her thoughts, feelings, and needs while respecting the thoughts and needs of others.
Step-by-step explanation:
Acting assertively means that Martha is displaying confidence in expressing her thoughts, feelings, and needs, while also respecting the thoughts and needs of others. This can be seen in her behavior, such as clearly stating her opinions, making decisions for herself, and setting boundaries. For example, Martha may speak up in class discussions, ask for help when needed, and stand up for herself when facing difficult situations. By acting assertively, Martha is exhibiting effective communication skills and advocating for herself in a respectful manner.