can someone help with these two please!

1 point Which of the following is an example of federalism? SELECT ALL THAT APPLY! Citizens pay federal, state, and local taxes via paychecks and sales tax States are responsible for marriage and divorce laws, yet same sex-marriage varies from state to state A strong central government that keeps power within the central government The legislative, judicial, and executive branches have expressed powers to check one another to keep power balanced 5 points Explain the Necessary and Proper Clause. Explain how this clause demonstrates a relationship between expressed and implied powers of the federal government." Your