## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter P - Section P.1 - Algebraic Expressions, Mathematical Models, and Real Numbers - Exercise Set - Page 18: 113

#### Answer

$\frac{1}{121}$

#### Work Step by Step

$\frac{5*2 - 3^{2}}{(3^{2}-(-2))^{2}}$ Remember PEMDAS: parentheses, exponents, multiplication, addition, and subtraction, in that order Thus, that makes the Numerator: 10-9 = 1 And the Denominator: (9+2)^{2}=121

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