Examlex
Subtract.
-9 - (-12)
Price Change
A variation in the cost of a good or service over time.
Garden Yields
The produce or output generated from gardening activities, including fruits, vegetables, and flowers.
Utility Function
A mathematical representation of how consumers rank different bundles of goods according to their level of satisfaction or preference.
Nonlabor Income
Income received that does not come from working, such as investment income, social security benefits, or inheritance.
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