Gross domestic product (gdp) is a measure of the economic output of a country. the gdp of the united states was about 1.2 x 10^13 dollars in 2005. this is about 3 times the gdp in 1985. what was the u. s. gdp in 1985?
4 x 10^2
4 x 10^3
4 x 10^12
4 x 10^13

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries.what fraction of kathy’s money was left?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?