The shed is filled with sawdust whose density (mass/unit volume) at any point is proportional to the distance of that point from the floor. The constant of proportionality is k. Calculate the total mass of sawdust in the shed.

You want to test the hypothesis that smoking cigarettes increases the risk of lung cancer. in your experiment, you take 100 people of various ages and genders for each of your groups. one group smokes. the other group does not smoke. the group that does not smoke is called the group

In hard times, why doesn't sissy understand political economy?

Decide if the events a or b are mutually exclusive or not mutually exclusive. a date in philadelphia is selected. a: it rains that day b: it snows that day