Agriculturalists clear tracts of land they wish to use by cutting down trees and setting fire to the grass. generally work less than horticulturalists. must be nomadic to take full advantage of their land. use their land intensively and continuously. have a more varied diet than that of horticulturalists.

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Dominic and stacy each have a stamp collection. dominic has six fewer stamps than three times the number of stamps stacy has. dominic and stacy decide to give all of their stamps to their younger sister, mary. if stacy had s stamps, which expression represents the number of stamps that mary received? a. (3s − 18)(3s − 6) b. 2s − 18 c. 4s − 6 d. 4s − 18