Name a type of government in which all key powers are given to the national or central government

Which of the following is a polynomial with roots 3,5i, and -5if(x)=x^3-3x^2+25x-75f(x)=x^3-3x^2+15x-25f(x)=x^3-15x^2+25x-75f(x)=x^3-3x^2+15x-75

Which of the following developments during the 1780s produced the strongest calls for a new national constitution and government? a.disrespect and abuse toward americans by foreign powersb.political disputes between tories and whigsc.economic chaos in the nationod.failure of states to cooperate with congress

What is the tax base for the sales tax ?