The closest resemblance to a unified Europe was the Roman Empire, which was held together by _____________________.
-trade networks
-transportation systems
-military force
-a common religion
-a common culture
military force
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A probability forecast that calls for a "40% chance of rain" means that ____
A) there is a 40% chance that it will not rain within the forecast area B) there is a 40% chance that any random place in the forecast area will receive measurable rainfall C) it will rain on 40% of the forecast area D) it will rain 40% of the time over the forecast area
A company finds that the number of times per year that an employee makes use of their company-sponsored insurance is a linear function of their age group:
Y = 12.4 - 10.9 X1 - 9.8 X2 - 6.5 X3 - 3.1 X4 where X1, X2, X3, and X4 are 20-29 year olds, 30–39 year olds, 40–49 year olds, and 50–59 year olds (the 60+ year olds have been omitted). What is the predicted number of annual insurance usages per group?
Cumulonimbus clouds indicate unstable atmospheric conditions. What stops the upward growth and causes the top of a cumulonimbus cloud to flatten out into an anvil?
What will be an ideal response?
On October 19, 2007, the storm had moved 600 km (360 mi) eastward. Estimate what the conditions were in Springfield, Illinois, on that day. List what you think the temperature, approximate dew-point temperature, and wind speed and direction were on October 19. Which type of air mass was overhead?
What will be an ideal response?