Chapter 1 - Foundations for Algebra - 1-2 Order of Operations and Evaluating Expressions - Practice and Problem-Solving Exercises - Page 14: 52

$\frac{5}{9}$

We substitute the values in. We have $\frac{2(1)+3(6)}{(6)^{2}}$. To simplify the numerator, do the multiplication first, and then the addition. In the denominator, we just simplify the exponent. We have $\frac{2+18}{36}=\frac{20}{36}=\frac{5}{9}$.