Factor completely x^3-8x^2-2x+16=

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

Can someone me out here and the tell me the greatest common factor

How can you tell when x and y are not directly proportional?