54 2/7 converted to a fraction in lowest terms

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.

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form