What is the voice of verb in Mrs Walker told scary stories to her class?

The voice of the verb "told" in the sentence "Mrs. Walker told scary stories to her class" is active voice.

Here's why:

* Active voice: The subject (Mrs. Walker) performs the action (told).

* Passive voice: The subject is acted upon. The sentence could be rewritten in passive voice as: "Scary stories were told to the class by Mrs. Walker."

In this case, the sentence focuses on the action performed by Mrs. Walker, making it active voice.