You need to order gravel for your driveway, which is 8 feet wide and 210 feet long. Assume that you would like the gravel to be 6 inches deep. How much gravel is needed, in cubic feet?

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step-by-step explanation:

the entire expression should be subtracted from 30. to subtract the quantity, distribute the negative sign, which changes the signs on the terms. so, the –2 changes to positive and gets added to 30 instead of subtracted from it.

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answer: d.) the total number of protons and neutrons is 15

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your friendly neighborhood human spider! .

step-by-step explanation: 2