how many times must he repeat this exercise to burn off the energy in one slice of pizza? assume 25% efficiency. energy content of one slice of pizza is 1260 kj.

technology is the application of knowledge and tools to solve problems and perform tasks more efficiently. t/f

Suppose an economist believes that the price level in the economy is directly related to the money supply, or the amount of money circulating in the economy. the economist proposes the following relationship: p=a x m - p=price level - m=money supply - a=a composite of other factors, including real gdp, that change very slowly over time. how might an economist gather empirical data to test the proposed relationship between money and the price level? an economist would persuade the federal reserve to change the money supply to various levels, and observe the resulting changes in the price level. unlike researchers in the hard sciences, economists cannot study complex relationships using data. economists do not usually develop theoretical models of the economy but only analyze summary statistics about the current state of the economy. an economist would look for data on past changes in the money supply, and note the resulting changes in the price level

Which type of market are you in if your company, along with three other companies, controls 95 percent of the total music industry?