When 832 is divided by n, the result is 16

Find the value of x for which the lines are parallel.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

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