I'm a girl looking for a bf and I'm 14 about to be 15

Solve this system of equations using the elimination method?

How does federalist, no.10 address the concerns of a strong national government in brutus i? a) the court system would be a representative democracy and the other branches republics. b) representative gov't was the only way to check state power in the national gov't. c) states would be allowed to choose which sort of representation they have at the national level d) the national gov't would be a balance between democracy and republic, thus protecting the rights of citizens.

Identify one way in which the changes during the industrial revolution can be considered a political turning point in world history