What plural noun always take a singular verb

Which of these sentences has an error in subject-verb agreement? a. official procedures calls for students who are tardy three times to serve detention. b. as a result of her efforts, a team of volunteers signs up every month to clean the city's parks. c. the committee of parents protested loudly at the school board meeting. d. each of the neighbors brings a dish to share at the pot-luck gathering.

4friends evenly divided up a nn-slice pizza. one of the friends, harris, ate 11 fewer slice than he received.

Jason is making a list of sources for his current events report about the presidential election. he writes: magazine, newspaper, news website, book. which choice could provide the most current information? a) book b) magazine c) newspaper d) news website