Is the verb in the sentence in the active voice or the passive voice?

the chairs were arranged in 10 even rows.

a.
passive voice

b.
active voice

Read the passage and answer the questions: “good is hard to find.” while it may sound cliché, it can certainly be true, as one father recently discovered. after running an ad in a local newspaper, the father of twin toddlers interviewed several potential candidates and narrowed it down to two he thought to be the most qualified. both women were in their forties and very pleasant, and he thought that either of them would do an excellent job. undecided, he ran a background check on each of the women and was shocked to find that one of the women had an extensive criminal history and was recently treated in a mental health facility. obviously, he hired the other woman. a week later, the father was shocked when he picked up a newspaper and read that the woman he did not hire had severely injured a little girl who was under her care. why did the father choose not to hire one of the women he interviewed? a) she was uneducated b) she was rude and unfriendly c) he decided that he did not need a babysitter after all d) she had a history of criminal activity and mental illness