A PIN of four digits has 10,000 (or 104) combinations. This could theoretically be guessed by a computer in milliseconds. The most popular PIN numbers are 1111, 1234 and 0000 making up around 20% of PIN numbers. Anything beginning with 19XX is also very common, as is 2580. Why?

Enzo’s balance sheet for the month of july is shown. enzo’s balance sheet (july 2013) assets liabilities cash $600 credit card $4,000 investments $500 student loan $2,500 house $120,000 mortgage $80,000 car $6,000 car loan $2,000 total $127,100 total $88,500 which expression finds enzo’s net worth?