HELP PLZ ASAP A rectangular prism has a length of 5 cm, a width of 212 cm, and a height of 112 cm.

Which expressions can be used to find the volume of the prism?

Select each correct answer.

A: 5•2 1/2•1 1/2

B: 12 1/2•1 1/2

C: 1 1/2(5+212)

D: 1/ 2(12 1/2•1 1/2)

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