100pts: What is the greatest common factor of 510510 and 9189180?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?