Courtney knows that there are about 2.2 pounds in every kilogram. If she has a medicine ball that weighs 3.6 kilograms, about how many pounds does it weigh?
2 pounds
o 6 pounds
8 pounds
10 pounds

Twelve less than a number is at most 20

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.