Subtract. write your answer as a fraction in simplest form. 1/12 + 5/12 = what

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

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x