Express 9 feet in inches.

What will be an ideal response?


108 inches

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What is the length of the following rod, in meters? Carry the answer to two decimal places.


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The output of a gas furnace has large quantities of carbon dioxide, which must be monitored carefully. This table gives the percentage of CO2 in the output, with samples taken every 9 seconds.


(a) Group these measurements into equal classes, and construct a frequency distribution table for the data. (Use a spreadsheet to help solve this problem.)
(b) Compute the mean, median, and mode of the data.
(c) Compute the standard deviation of the data.

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Modern air brake systems are three different systems combine the surface brakes parking Brakes and blank brakes

Air brake

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How does the APAD and ACPU system lubricate the compressor and components all year long?

A. They inject oil into the compressor inlet. B. They engage the compressor for 15 seconds after start up. C. They prevent the compressor from engaging in cold weather to keep all the oil within the compressor. D. APAD and ACPU's have nothing to do with the lubrication of compressors or system components.

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