A rectangular blick of wood has dimensions 240mm×20.5cm×0.040m. Calculate its volume in cm cube

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.

Ineed an answer for this one (number 8)

The gregorian chants are an example of what homophony, monophony, polyphony, pentatonic scale