In ancient rome what was a ruler of an empire called

You should consider using floor dry compounds or hydrophobic mops if a spill is bigger than what can be wiped up with shop rags. a) one b) two c) three d) four

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

Explain both sides of shays rebellion. include perspectives of the political leaders of the rebellion.