Answer
c.
Work Step by Step
The thermostat in a home should be set at $-19^o$C. So, the right answer is c.
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 3 - Section 3.6 - Temperature - Exercise - Page 152: 7
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