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• a meteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 1.8, 2.5, 2.6, 4.4, 4.4, 7.3, 8.0, 9.5, 10.3, 10.4, 11.1, 11.7 for this data set: mu = 7, n = 12. sigma squared = startfraction (x 1 minus mu) squared + (x 2 minus mu) squared + ellipsis + (x n minus mu) squared over n endfraction. sigma squared = startfraction (1.8 minus 7) squared + (2.5 minus 7) squared + ellipsis + (11.7 minus 7) squared over 12 endfraction fill in the missing values in the formula. what is the variance? 0 3.217 3.522 12.405 148.86
  
• a synapse is the point where a nerve fiber meets a target cell. when the target cell is a muscle fiber, this type of synapse is called a junction.
  
• what does the underlined word mean in the following sentence? ¡qué grandes son los dientes del tigre! chest neck nose teeth
  
• this was a conflict in which the u.s. gained many island territories, especially puerto rico and the philippines.
  
• who was known as “the great compromiser”? henry clay daniel webster john c. calhoun john quincy adams
  
• why does the headline in the japan times and mail call the senate vote a declaration of war
  
• what happened in poland in 1989? many solidarity candidates were voted out of office. workers finally were given the right to form unions. the polish government banned all workers’ unions. lech walesa became the first freely elected president.
  
• when a recipient responds to a meeting request, which statement most accurate descries what occurs? the meeting is confirmed, and the time is shown as busy on the recipient’s calendar. the meeting is confirmed, and the time is shown as free on the recipient’s calendar. the meeting request is removed from the inbox, the meeting is confirmed, and the time is shown as busy on the recipient’s calendar. nothing occurs because a recipient does not need to respond to a meeting request.
  
• which best describes the roots of the function h(x) = x3 – 4x2 – 3x + 18? no real number solutions 1 real number solution 2 real number solutions 3 real number solutions
  
• the new boundary line set by the adams-onis treaty had which of these effects? it created a system of dual governance in florida. it represented the completion of manifest destiny. it began the decline of spain's new world empire. it allowed the united states to develop florida's resources.