The average lifespan of a new battery is 2234 hours before burning out. The standard deviation is 412 hours and the lifespans are normally distributed. What percentage of batteries last between 2100 and 3100 hours?

Suppose the following items were taken from the balance sheet of nike, inc. (all dollars are in millions.) 1. cash $ 2,316.7 7. inventory $ 2,245.6 2. accounts receivable 2,786.2 8. income taxes payable 80.3 3. common stock 2,841.1 9. equipment 1,783.8 4. notes payable 291.2 10. retained earnings 6,162.5 5. buildings 3,959.7 11. accounts payable 2,624.6 6. mortgage payable 1,092.3 perform each of the following. classify each of these items as an asset, liability, or stockholders’ equity, and determine the total dollar amount for each classification. (enter amounts in millions up to 1 decimal place, e. g. 45.5 million.) cash accounts receivable common stock notes payable buildings mortgage payable inventory income taxes payable equipment retained earnings accounts payable assets $ 13092 liability $ 4088.4 stockholders’ equity $ 9003.6 etextbook and media determine nike’s accounting equation by calculating the value of total assets, total liabilities, and total stockholders’ equity. (enter amounts in millions up to 1 decimal place, e. g. 45.5 million.) total assets = total liabilities + total stockholders’ equity

Suppose that a worker in agland can produce either 10 units of organic grain or 2 units of incense per year, and a worker in zenland can produce either 5 units of organic grain or 15 units of incense per year. there are 20 workers in agland and 10 workers in zenland. currently the two countries do not trade. agland produces and consumes 100 units of grain and 20 units of incense per year. zenland produces and consumes 50 units of grain and no incense per year. if each country made the decision to specialize in producing the good in which it has a comparative advantage, then the combined yearly output of the two countries would increase by a. 30 units of grain and 100 units of incense. b. 30 units of grain and 150 units of incense. c. 50 units of grain and 90 units of incense. d. 50 units of grain and 130 units of ince

Alarge tank is filled to capacity with 500 gallons of pure water. brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. the well-mixed solution is pumped out at the same rate. find the number a(t) of pounds of salt in the tank at time t.