## Precalculus (6th Edition) Blitzer

$\frac{1}{121}$
$\frac{5*2 - 3^{2}}{(3^{2}-(-2))^{2}}$ 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