The width of a rectangle measures (9h - 1) centimeters, and its length measures (2h – 4) centimeters. Which expression represents the perimeter, in centimeters, of
the rectangle?

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

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).

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin