What is the length of segment TV? ( 14 units ( 19 units ( 38 units (D 50 units

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Can someone me out here and the tell me the greatest common factor

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?