What is racial 2 times racial 8

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

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.

How many $20 bills do you need to have to make $280