Marco walked 27/100 kilometer to the park. Then he walked 3/10 kilometer to the libary. What fraction of a kilometer did he walked in all? 1. 30/100
2. 57/100
3. 57/10
4. 30/10

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

What is this inequality notation? t is less then or equal to 2

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