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If an open box with a square base has a volume of 46t^3 , what are...

If an open box with a square base has a volume of 46t^3 , what are the dimensions that require the less amount of materials in its construction:
a. base: 0.8 ft x 0.8ft, height: 6.25 ft
b. base: 2ft x 2ft, height: 1ft
c. base: 1ft x 1ft, height: 4ft
d. base: 1.5 ft x 1.5 ft, height: 1.8 ft

*please show all process
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