Which concept refers to the persistent difference in grades, test scores, and graduation rates that exist among students of different ethnicities, races, and sexes? achievement gap bell curve attrition racism?

Alarge increase in gas prices creates a demand for cars with good gas milage. it takes months for car companies to make these cars. how do you describe this market for cars

Does manufacturing in the midwest affect the nations economy

In article v of the united states constitution, the amendment process is explained. why did the framers include provisions for amending the constitution? a) to limit the individual liberties of american citizens b) to allow the constitution to adapt to future circumstances c) to allow the president to change the constitution as needed eliminate d) to ensure that state governments had more power than the nation