Find 9P9 and 9C9. Why do the answers differ? Explain your reasoning

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

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.

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3