How many four-digit personal identification numbers (pin) are possible if the pin cannot begin or end with a 0 and the pin must be an even number?

1. what did john w. mackay and george hearst have in common? 2. how did the speculators price land during the gold rush? at what price was the ophir quoted? 3. there were many drawbacks to industrial mining. name one.

In this unit, you read about transitions of power and the formation of newly independent nations in africa, asia, the americas, and the middle east. some of these transitions were peaceful, while others caused long-term instability. why do you think some countries were more successful than others with political transitions? what do you think were the biggest challenges facing newly independent countries? would it have been possible for leaders to prevent these problems before they happened? why or why not?

Article ii "each state retains its sovereignty, freedom, and independence, and every power, jurisdiction, and right, which is not by this confederation expressly delegated to the united states, in congress assembled."—articles of confederation which of the following principles of american democracy does this quote best represent? social contract natural rights federalism rule of law