When do we use pooling in inference?

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

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.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet