A contract is being bid to clear and grub 600 acres. You are considering using two 460-hp dozers to do the job. The site is reasonably level and the machines will have no problem with bearing or traction. After clearing and grubbing, you will need to pile up the material in windrows for easy removal. About 80% of the trees are pines (softwood) and the rest are oak (hardwood). The total number of trees per acre is about 500, of that number: 180 trees per acre are 1 to 2 ft in diameter 40 trees per acre are 2 to 3 ft in diameter 30 tree per acre is 3 to 4 ft in diameter a. What is the estimated clearing and grubbing production rate

Label each of the following statements true, false, or uncertain. explain your choice carefully. a. workers benefit equally from the process of creative destruction. b. in the past two decades, the real wages of low-skill u.s. workers have declined relative to the real wages of high-skill workers. c. technological progress leads to a decrease in employment if, and only if, the increase in output is smaller than the increase in productivity. d. the apparent decrease in the natural rate of unemployment in the united states in the second-half of the 1990s can be explained by the fact that productivity growth was unexpectedly high during that period.

How do the percentages of the 65 customer satisfaction ratings in that actually fall into the intervals [formula62.mml ± s], [formula62.mml ± 2s], and [formula62.mml ± 3s] compare to those given by the empirical rule? do these comparisons indicate that the statistical inferences you made in parts b and c are reasonably valid? (round your answers to the nearest whole number. omit the "%" sign in your

Whom do progressive taxes assess? a. only a large percentage of high-income households b. only a large percentage of organizations c. a large percentage of high-income households and organizations d. a large percentage of low-income households e. a small percentage of high-income households