Simplify the expression
x2 + 12x - 4 + 3x-2x-5

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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.