Find The Circumference of The Circle with Diameter 2.1cm​

Use set buikder notation to represent the following set: {, -2, -1, 0}

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.

Ineed to know the answer to this algebra question.