Fill in the Blank

A warehouse supervisor is comparing the temperatures of two cold-storage units. Unit A is at 13°F and Unit B is at -21°F. To determine the variance, the supervisor is instructed to find "the difference of 13 and -21." The algebraic expression representing this instruction is ____.

0

1

Updated 2026-04-18

Contributors are:

Who are from:

Tags

OpenStax

Elementary Algebra @ OpenStax

Ch.1 Foundations - Elementary Algebra @ OpenStax

Algebra

Math

Prealgebra

Recall in Bloom's Taxonomy

Cognitive Psychology

Psychology

Social Science

Empirical Science

Science

Related