27 inches to feet as a fraction in simplest form

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.