Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Appendix A - A.1 - Algebraic Expressions - Exercises - Page 540: 10



Work Step by Step

Explaination: The question is asking what is the temperature change "From" 2 A.M to 7 A.M. In simple terms, it wants you to subtract the temperature at 2 A.M. "from" 7 A.M. Temperature at 2 A.M. is -3°F Temperature at 7 A.M. is 7°F Now, subtracting temperature at 2 A.M. "from" 7 A.M. This would be "7-(-3)"; Thus, the answer.
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