Circles A and B are tangent to circle CD in the diagram, and the circles are tangent to one another. Respond to this query. Find AD = if CD = 15, AB = 17, and CB = 6.
A paper cup has the shape of a cone with height 10 cm and radius 3 cm (at the top). If water is poured into the cup at a rate of 2 cm^{3}/s, how fast is the water level rising when the water is 5 cm deep?
Find the area of the region that lies between both curves.