How do you describe the following numbers √8 -√40 √60 and -√90?​

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

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart