## Introductory Algebra for College Students (7th Edition)

$$A = 91$$
We are trying to find $A$ given values for $a$, $b$, and $h$: $$A = \frac{1}{2} \times 7(10 + 16)$$ Simplify what is in parentheses first: $$A = \frac{1}{2} \times7 (26)$$ Do the multiplication: $$A = \frac{1}{2} (182)$$ Multiply $\frac{1}{2}$ by $182$: $$A = 91$$