Which statement about the point (0,5) is true

Can someone me out here and the tell me the greatest common factor

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

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12