Which of the following summer to represent an irrational number?

Which equation requires the division property of equality to be solved?

What is the reflection image of (5,-3) across the line y = -x?

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8