Shaw and mckay noted that delinquency rates were higher in neighborhoods, areas that had changed from affluence to decay and often had commercial, industrial, and residential zoning.

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Explanation:

Hello! One of the types of neighborhoods that condition the presence of  delinquency are those defined as in transition, sites with commercial activities and declined industries. These communities with high levels of economic and social deprivation, residential mobility or urbanization are more likely to have high crime rates.

the question deals with financial planning and the answer is that dan did not stay on budget due to the fact that this guy needs to start decreasing his discretionary spending. according to the financial plan, he needed to balance his expenses and resources.

i would say b. research typically uses a variety of sources