*What is a non-terminating decimal?

*Which is more accurate, a fraction or a decimal?

*What are noncollinear points?

*Why did the Safavids fall?

*What is general planar motion

*What is the derivative of y=4x^4

*What are macromolecules?

*When did the Ottoman Empire fall?

*Historically, how has socialism differed from communsim?

*what is 17 mod 5?

*What was the main reason that the Black Plague spread to Asia?