## Algebra 1

The volume of a cylinder has the following formula: $V=\pi r^{2}h$, where r is the radius and h is the height. Thus, we obtain: $V=\pi \times 4^{2} \times 7=\pi \times 16 \times 7 \approx 351.68$. For this problem, we assumed that $\pi=3.14$