Are the following lines perpendicular: Line 1 : y=4x - 3
Line 2: y=-4x - 2

Yes or No?

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 to do this , and can some one explain

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z