Once a surplus is accumulated, more people can engage in trade. Initially, the surplus goods of preindustrial economies are distributed through a system of , which is the direct exchange of goods or services considered of equal values by the traders.

Burberry is pursuing a focused differentiation strategy aimed at high-end luxury customers. however, the company is also employing a segmentation strategy to separate customers within that focus. the strategy offers items at an entry-level price point for customers who desire to be like celebrities such as sarah jessica parker as well as couture items for those richest and celebrity customers. what strategy is burberry pursuing?

When the national economy goes from bad to better, market research shows changes in the sales at various types of restaurants. projected 2011 sales at quick-service restaurants are $164.8 billion, which was 3% better than in 2010. projected 2011 sales at full-service restaurants are $184.2 billion, which was 1.2% better than in 2010. how will the dollar growth in quick-service restaurants sales compared to the dollar growth for full-service places?

Describe three scenarios in which you might utilize mathematics to investigate a crime scene, accident scene, or to make decisions involving police practice. be sure to explain how math is used in police as they work through each scenario.