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Alice can decrypt 3 files in twice as long as Bob can encrypt 1 file. It takes charlie 3 hours longer to encrypt 1 file than it takes Bob to decrypt a file. If Alice, Bob, and Charlie all work together,...

Tiffany rows a boat downstream for 182 miles. The return trip upstream took 12 hours longer. If the current flows at 3 mph, how fast does Tiffany row in still water?

Suppose that a line passes through the points (-6,-4) and (-5,5). Where will it pass through the x-axis. The graph will pass through the X-axis at

Suppose that a line passes through the points (-5,-1) and (0,1). Where will it pass through the x-axis.   The graph will pass through the X-axis at

This is for U.s history. obviously. and i am having trouble finding this answer. please help," I have looked in my book and i cant find the answer. This happened between 1860 and 1900 ...

Gerardo flies a plane against a headwind for 3744 miles. The return trip with the wind took 20 hours less time. If the wind speed is 10 mph, how fast does Gerardo fly the plane when there is no wind...

Kind of lost here!!!!   An IQ test is designed so that the mean is 100 and the standard deviation is 18 for the population of normal adults. Find the sample size necessary to estimate...