Please help me with this one I seriously suck at math

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

Which linear inequality is represented by the graph?

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )