A mercury manometer (\rhorho= 13,600 kg/m^3) is connected to an air duct to measure the pressure inside. The difference in the manometer levels is 30 mm, and the atmospheric pressure is 100 kPa.
(a) Determine if the pressure in the duct is above or below the atmospheric pressure.
(b) Determine the absolute pressure in the duct.

Which of the following statements accurately describes how costs and benefits are calculated?

Abigail spent $100 on a new edition of the personal finance textbook rather than $75 for a used copy. the additional cost for the new copy is called the

Your parents have accumulated a $170,000 nest egg. they have been planning to use this money to pay college costs to be incurred by you and your sister, courtney. however, courtney has decided to forgo college and start a nail salon. your parents are giving courtney $20,000 to her get started, and they have decided to take year-end vacations costing $8,000 per year for the next four years. use 8 percent as the appropriate interest rate throughout this problem. use appendix a and appendix d for an approximate answer, but calculate your final answer using the formula and financial calculator methods. a. how much money will your parents have at the end of four years to you with graduate school, which you will start then?