Three branches of government help create a system of checks and balances. A helpful resource provides a series of articles regarding the balance of power between the legislative and executive branches of government. Historians answer...

Babies grow at an incredible rate! Demonstrate how to model growth using a linear function. Learners build the function from two data points, and then use the function to make predictions.

This unit practice test from Khan Academy covers Period 6: 1865-1898 in American History. Western expansion, the Gilded Age, and the "New South" are components of this unit test. This resource is designed as a review for the AP US...