Final answer:
Maya did not take revenge on Mrs. Cullinan in the text. Maya experiences feelings of shame and tries to understand racial dynamics in her relationship with Wynne.
Step-by-step explanation:
Maya did not take revenge on Mrs. Cullinan directly in the text provided. However, Maya experiences feelings of hatred and shame towards herself and Wynne for living off his money without having a claim on him.
Maya also tries to understand the racial dynamics present in her relationship with Wynne. It is not mentioned how Mrs. Cullinan reacts to Maya's internal struggle.