<Li> Majority Leader Mitch McConnell (R) </Li> <Ul> <Li> Minority Leader Chuck Schumer (D) </Li> </Ul> <Li> Minority Leader Chuck Schumer (D) </Li> <Tr> <Td> Executive (show) <Ul> <Li> President of the United States </Li> </Ul> <Ul> <Li> Donald Trump (R) </Li> </Ul> <P> </P> <Ul> <Li> Vice President of the United States </Li> </Ul> <Ul> <Li> Mike Pence (R) </Li> </Ul> <Ul> <Li> Cabinet </Li> <Li> Federal agencies </Li> <Li> Executive Office </Li> </Ul> </Td> </Tr>

How is representation determined in the house of representatives and the senate