Ais an example of a longitudinal wave

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?

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

Which statement about this figure is false