If a speaker fails to rehearse her speech, which of the following will likely result in the delivery? select all that apply. the speaker may not be familiar enough with the topic and end up forgetting important points. the speech may end up too short or too long because of inaccurate timing estimates. the speaker's focus on the audience and topic will make up for lack of preparation. the audience may pick up on the lack of preparation through verbal and nonverbal cues and not be as engaged.