What value of a makes the equation true? 1.7a+0.3a=4/5 1. a=2/5 2. a=2 4/5 3. a= -1 1/5 4. a= 1 3/5

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

Can someone pls ! pls answer all. no explanation needed..

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