Comment on your solution to a, b and c

What situation is an example of an observational study

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.

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.