Contemporary calculations have proven the accuracy of Muhammad ibn Musa al-Khwarizmi’s calculations of what?

i have no idea lets guess a

explanation:

germany's government did not have enough money to pay its debts, so it began printing more money, which caused economic problems. germany did not pay off its wwi debts until 2010. germany was also responsible for paying reparations after world war ii.

explanation:

have a great day!

thurgood marshall

explanation: in 1954, thurgood marshall and a team of naacp attorneys won brown v. board of education of topeka, kansas. in this landmark decision, the supreme court held that segregation in public education violated the equal protection clause of the fourteenth amendment.