What is difference (9x10^10)-(4x10^10) in scientific notation

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

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.

Whats the name of the vertical axis