Paula is gathering sources for her essay on population changes in her state over the last decade. Which would be accurate sources to use for her essay? Select all that apply.

1: last year’s annual report from the state office of economic development
2: US Census Bureau statistics on regional growth in the nation since the last census
3: a book titled Population Trends in America’s States, published in 1974
4: an interview with a university professor who is writing a book on the impact of growth in the state