# Chapter 1 - Foundations for Algebra - Mid-Chapter Quiz - Page 29: 6

12

#### Work Step by Step

$\sqrt {144}$ means that we are supposed to find what number times itself equals 144. We recall that 12 times 12 is 144, so $\sqrt {144}$ is 12: $\sqrt {144} =\sqrt {12^{2}} = 12$

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