How do i Find the volume of the composite figure.

4 ft2 ft7 ft5 ft2 ft

The volume of the composite figure is cubic feet.

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