Regla de correspondencia de f(x)=5x+4
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Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

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 you answer right ill give brainliest, : )