The area of cross section of the end A of a U tube is 0.01 m square. The area of cross section at the end B is 0.1 m square. If 100 N is applied on the piston, A . Find out the force acting on the piston at the end B.
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The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

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