A stock will have a loss of 10.6 percent in a bad economy, a return of 10.4 percent in a normal economy, and a return of 24.3 percent in a hot economy. There is 28 percent probability of a bad economy, 41 percent probability of a normal economy, and 31 percent probability of a hot economy. What is the variance of the stock's returns

The correct answer is (b) the marginal contribution of labor decreases as the quantity of labor used in production increases;

In the 10th grade, i was teamed up in a group of four. our project was on modern history. altho it seemed super hard for many of us. patrick fleming  took charge and showed us the understanding of this project.  his leadership showed great ethics and it taught me, personally, how to others understand, not just to show them, but explain it thoroughly. and altho he was a great teacher i would have changed a few things. one being his attitude. many times he would get frustrated and impatient with the group.  i think  a leader i would have done exactly  what he did but with much more patience and be there more to explain. such as lunch  learning. and giving everybody a chance to try to explain it in their  head.