9. The volume of a rectangular solid is 2x + 7x2 + 2x - 3. Its length and width are 2x - 1 and 2
height
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10. The volume of a cube is x3 + 3x2 + 3x + k. If its length is x + 1, find k.
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Answer:
27×3-2+{78}=[76.82]
Step-by-step explanation:
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