Please help me Simplify: sqrt (4 - 3pi) to the power of 2

Simplify: sqrt (2pi - 4 sqrt 5) to the power of 2

For review 1. in terms of which government is sovereign, differentiate among a unitary system, a confed- eral system, and a federal system of government. 2. to which level of government does the constitution distribute the enumerated po implied powers? concurrent powers? reserved powers? provide several power. 3. what matters fall within the scope of state sovereignty? differentiate among dual federalism, cooperative federalism, centralized federalism, and conflicted federalism. how does the national government use grants-in-aid, mandates, and preemption to direct the policy of state and local governments? 6. what do we mean by intergovernmental relations? why is the term a good description of u.s. federalism today? 7. list several advantages and several disadvantages of a federal system.

Assume you wanted to save 2000 to buy a used car 18 months from now. how much money do you need to save every week to accomplish your goal?

And intervening opportunity is an example of