Factorising
what is 9+12y+123r

The circumference of a circle is 5 pi cm. what is the area of the circle?

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

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