did really just warn me for 2 answer that really helped. bro I feel like hates me now

An education expert is researching teaching methods and wishes to interview teachers from a particular school district. she randomly selects ten schools from the district and interviews all of the teachers at the selected schools. which type of sample did she use in this study? a)systematic sample b)probability sample c)stratified sample d)cluster sample

Which best describes the idea behind the "invisible hand"? producers decide what to make for consumers, which guides the economy. individuals seeking their own self interest benefit the economy as a whole. government sets policy for producers and consumers, which guides the economy. consumers decide what they need and want to buy, which guides the economy.

The ideal that all people should be treated equally. a. rule of law b. representative government c. limited government the bill of rights and the declaration of rights both seek to protect a. the separation of powers b. personal liberties c. representative government