The number of workers and the amount of work finished.
direct variation or inverse variation

Two ad agencies want to understand issues that are important to students. agency a will interview 50 students whose names are randomly chosen from school enrollment data. agency b will interview 50 randomly selected people from those who respond to a social media posting. which method will produce a fair sample of the student population and why? (2 points)

Aprofessional diver dives 65 feet above the surface of the water. the diver reaches a depth of 15 feet underwater before returning to the surface. what was the diver's change in elevation from highest to lowest point of dive?

There are 1225 sheets of paper in a pile. how many sheets ofpaper are there in 15 such piles? ​