What contribution did al-khwarizmi make to the world of mathematics?

a.
he developed the formula and process used to make persian rugs.

b.
his work became the basis for algebra.

c.
he created the number system based on chinese number system.

d.
he determined the formula for finding the hypotenuse of a right triangle.

By granting amnesty to americans who had invaded the draft president carter hope to

Germany italy and japan formed the tripartite pact in part because they: a. hoped to convince the united states to stay out of world war ii b. share the ruling philosophies based on communist economics c. resented the agreements they were forced to sign at the munich conference d. believed their territories were threatened by aggressive foreign states

Who were the only people that were not allowed to be a citizen in the roman empire