Please help me out please

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.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8