Some one meh i did all this my last one and no pl

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.

Identify the number as a rational or irrational.explain. 127

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?