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

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

What expression is equivalent to 1/2(2+3x-6)

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to