A rotating wind turbine has a diameter of about 116 feet and its circumference is about 364 feet. A smaller model of the turbine has a circumference of about 13 feet. What will the diameter of the model
be? If necessary, round to the nearest whole number. The diameter of the model will be about feet.

Which of the points a(6, 2), b(0, 0), c(3, 2), d(−12, 8), e(−12, −8) belong to the graph of direct variation y= 2/3 x?

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?