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Answer:
429.42 cm
Step-by-step explanation:
Volume of a rectangle prism:
V = whl
V = (5)(12)(7)
V = 420
Volume of a cylinder:
V = πr²h
V = (3.14)(1²)(3)
V = (3.14)(1)(3)
V = 9.42
Combined:
420 + 9.42
429.42