I need help please asap.

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.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

The statement tan theta= -12/5, csc theta=-13/12, and the terminal point determained by theta is in quadrant two