In a prison, there is a door b/w any pair of adjacent cells and one exit guarded by a guard G. One prisoner is a maniac M which kills anybody he can see when he enters a cell. If M returns to the cell with his victim, then he loses consciousness and stops. In the evening all inmates and the guard went to sleep in their cells. In the morning, maniac M is gone and all other prisoners with the guard were found dead in their cells. Show the route of the maniac.

Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. some of their data are shown in the table. which ball will take the longest to complete one lap around the track?

But on an april morning in 1959, i heard a mother of four, having coffee with four other mothers in a suburban development fifteen miles from new york, say in a tone of quiet desperation, “the problem.” and the others knew, without words, that she was not talking about a problem with her husband, or her children, or her home. suddenly they realized they all shared the same problem, the problem that has no name. which best describes the connotation of the word “desperation”? negative, because the woman is feeling confused negative, because the woman is expressing hopelessness positive, because the woman is expressing herself positive, because the woman and the mothers are in agreement

As of 2013, the world’s total population was about