isn't deleting this really bad answer to a question I had. Why?

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?