The United States dollar (symbol: $; code: USD; also abbreviated US$ or U.S. Dollar, to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries.
The United States twenty-dollar bill ($20) is a denomination of U.S. currency.A portrait of Andrew Jackson, the seventh U.S. president (1829–1837), has been featured on the obverse of the bill since 1928; the White House is featured on the reverse.
The United States two-dollar bill ($2) is a current denomination of United States currency. A portrait of Thomas Jefferson , the third president of the United States (1801–1809), is featured on the obverse of the note.
The United States one-hundred-dollar bill ($100) is a denomination of United States currency. The first United States Note with this value was issued in 1862 and the Federal Reserve Note version was launched in 1914, alongside other denominations. 
The automobile insurance market in the United States is a 308 billion US dollar market.  Every state has a different minimum coverage requirement, making auto insurance coverage more expensive in some states than others,  but they remain lower than the minimum amounts of insurance coverage of most EEA countries involved in the Green ...
The quarter, short for quarter dollar, is a United States coin worth 25 cents, one-quarter of a dollar. The coin sports the profile of George Washington on its obverse, and after 1998 its reverse design has changed frequently. It has been produced on and off since 1796 and consistently since 1831.
Treasury notes (T-notes) have maturities of 2, 3, 5, 7, or 10 years, have a coupon payment every six months, and are sold in increments of $100. T-note prices are quoted on the secondary market as a percentage of the par value in thirty-seconds of a dollar.