14. A cylinder has a radius of x + 2 and a height of x + 4. Which polynomial in standard form best describes the total volume of the cylinder? Use the formula V = nr2h for the volume of a cylinder.
15. A sphere has a radius of 2x + 3. Write the polynomial in standard form that best describes the total surface area of the sphere? Use the formula S = 4tr for surface area of a sphere.
16. A carpenter is putting a skylight in a roof. If the roof measures (10x + 9) by (7x + 7) and the skylight measures (x + 5) by (3x + 3), what is the area of the remaining roof after the skylight is built?