Final answer:
The slope of the line in this scenario represents the rate at which Bridget can cover area with the cement she mixes. The correct interpretation is that Bridget can cover 3 square feet for each bag of cement she mixes.
Explanation:
In this situation, the slope of the line indicates the rate at which Bridget can cover the area with the bags of cement she is mixing. This is a classic example of a linear relationship, where the slope of a line corresponds to the rate of change between two variables. In this case, those two variables are the number of cement bags Bridget mixes and the total area that she can cover.
So, based on the options given, the correct interpretation of the slope is option A: Bridget can cover 3 square feet for each bag of cement she mixes. This means that for every bag of cement she uses, she is able to cover an additional three square feet of her grandparents' driveway.
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