What did the people of Mesopotamia contribute to the field of mathematics? Please I need it

Plz me i need a good grade ! 10 government is a government system where all citizens that choose to vote have a say in their government? a: communist b: democratic c: autocratic d: theocracy

Banks offer services such as checking and savings accounts. what do banks do with most of the money they receive in deposits from customers? a) they loan it out to other customers. b) they spend it on new banks in other places. c) they keep it in a locked, secured vault in the bank. d) they send it to the federal reserve in washington, d.c.

The most effective way for individuals to influence the outcome of the protectiveequipment proposal is toa.b.c.d.circulate a petitionjoin a political partymake a presentation to the school boardwrite a letter to their provincial government representative