What is -12 in the form of a/b where a and b are integers ( me )

Np4=12np2 with clear explanation.

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9