Acontractor digs a rectangular hole that is 40 feet long and 10 1/2 feet deep. what is the width of the hole if 6510 cubic feet of dirt is removed?

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?