Tall Latt és and the Real Exchange Rate between the Euro and the Dollar. According to the Economist , in early 2004 the average price of a tall latté in Starbucks in the United States was $2.80. In the countries that use the euro, the average price was 2.93 euros. Because the exchange rate at this time was 0.79 euro per dollar, the dollar price of lattés in the euro area was$3.70. (Related to Application.)

a. At what exchange rate between the dollar and the euro would a latté cost the same in the euro area as it did in the United States?

Which of the following is true about open source software?

a. The program code is confidential.

b. The program can be changed and freely distributed.

c. The program can be freely distributed as long as the program code is not changed.

d. The program code is subject to copyright protection.

Implement a reload function that discards all changes to the current image and reloads it from disk.

Select a nation that interests you and prepare a report on its business customs and practices. How are they different from those in the United States? How are they similar?

Which of the following are likely to increase measured GDP, and which are likely to reduce it?

a. The fraction of women working outside the home increases.

b. There is a sharp increase in the crime rate.

c. Higher tax rates cause some people to hide more of the income they earn.

Calculate $\langle r \rangle$ and the most probable value of r for the H atom in its ground state. Explain why they differ with a drawing.

Why is DNA polymerase useful in criminal investigations?