Solo tienes que agarrar puntos en esta pregunta nomas porque te los mereces ;)

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.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33