Dora can run 3/5 miles in 3/20 hours how far can she run in 1 hour?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

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).

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?