Contributions to Mathematics Developed algebra
Extended knowledge of trigonometry
Spread the concept of zero to Europe

Which region is credited with these mathematic contributions?

The purpose of laws were to restrict the rights of african americans who lived in southern states. a) "jim crow" b) "civil rights" c) "anti prohibition" d) "reconstruction acts"

The laws and policies of a theocratic government are based on a. rule by a constitutional monarch b. the balance between parliament and an executive leader c. equal representation for each member state d. religious principles and beliefs

Mrs. walter’s husband died in 2016. she has not remarried and has maintained a home for herself and her dependent son, whom she can claim as a dependent. in the summer of 2018, the son was killed in an automobile accident. what is mrs. walter’s filing status for 2018