Why is gis useful? what type of jobs might involve using gis?

Alaina wants to decide whether her current cell phone plan is better than a package that another company offers. to compare the two plans, she plotted two lines on a graph, where y represented the total cost of one month’s service and x represented the megabytes of data that she used in a month. which part of the graph will represent the cost per megabyte of data used in each plan?

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

What are the answers for the following questions?