Find the indicated side of the triangle. 12 30° b b = [?]
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Need this asap if anyone can i would be very grateful. if you could show workings that would really

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.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)