What is 13x + 21y - 14x - y simplified?

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

Which point lies on a circle with a radius of 5 units and center at p(6, 1)?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]