Scenario 1: Suppose you are interested in buying a gas station near Interstate 40 in Old Town , New Mexico. One of your requirements is that it must be within 1,000 feet of the interstate so you can attract as many drivers as possible.

Question 1 : a.How many gas stations were selected? b.What are the names of the selected gas stations?

or look in the attribute table .

Unfortunately, neither of these two gas stations is for sale. You would like to make a tempting offer, but first you must know the market potential for each station. Because you want to sell gasoline to business customers and employees as well as freeway travelers on I-40, you decide to find out which gas station is closer to more businesses.

Scenario 2: California Proposition 83 was on the November 2006 election ballot. This initiative passed and prohibits sex offenders from living 2,000 feet from schools. However, a federal judge promptly blocked this provision until its constitutionality is resolved. A summary of the proposition is shown below.

The cities of Cotati and Rohnert Park have contracted you to make a map of parcels that would be off limits to sex offenders under Proposition 83. The map should include a 2,000 foot radius around each school. All selected parcels off-limits to sex offenders should be gray and all other parcels should be white (or hollow).

Scenario 3: Assign an administrative name to the Caves based on which administrative area they fall inside.

Scenario 4: A local university is planning to construct a small lab and office building to perform research and extension projects in aquaculture. They've narrowed the location down to a coastal farming area near several small towns. They need to select a site that meets the following requirements:

Selection criteria for proposed lab site Preferred land use is brushland (LU-CODE = 300) Choose soil types that are suitable for development (SUIT => 2) Site must lie within 300 meters of existing sewer lines Site must lie 20 meters beyond existing streams Site must contain at least 2000 square meters