1. Do-Now
Find the area of a circle with a radius of 4. Round answer to the nearest hundredth.
Find the volume of a sphere with a radius of 10. Round answer to the nearest tenth.
A fish tank is in the shape of a rectangular solid with a height of 2 feet, a length of 5 feet, and a width of 1 foot. How much water can the fish tank hold? Round to the nearest thousandth.

2. Review Circles
Write an equation with a center at (3, –1) and a radius of 7.
The center of a circle is (0, 7) and the diameter is 10. What is the equation of this circle?
Which quadrant is (x – 2)2 + (y – 3)2 = 1 located in?
Find the circumference of a circle with a radius of 3.
Find the area of a circle with a diameter of 12.