A man can commute either by train or by bus. He always goes to work on the train in the morning, he comes home on the train or on the bus in the afternoon. During a total of x working days, the man commuted by the bus 8 times, and commuted by train 26 times. Find x.

Fire departments in your county have an average benchmark of 6 minutes on a fire call from the time the 911 operator takes the call to the time the first firefighter arrives on the scene. This 6-minute average includes a 1-minute call handling time from when 911 gets the call to when they notify the fire department. There is a 1-minute time from when the firefighters are notified to when they get out of the fire station. Then they have 4 minutes from when they leave the station to when they arrive on scene. Two fire departments in your county are being compared. From one fire department, a random sample of 10 calls has a mean of 6.51 minutes total with a standard deviation of 0.26 minutes. From the other fire department, a random sample of 11 calls shows a mean of 6.42 minutes with a standard deviation of 0.19. Construct a 90% confidence interval for the difference in the mean call time between the two fire departments. Fire departments in your county have an average benchmark of 6…

brett expects that each guest 0.2 of a sandwich. sketch a model to show how many sandwiches brett expects the guests to eat in all.

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Caleb placed 3 yellow balls and 4 red balls in a row. How many visually distinct rows are possible? GeoGebra Graphing Calculator O210 70 144 35