What is the relationship of the volume of the cube to its edge length?

What is the product? (x2+3y+7) [yy+1)

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 the fraction 9/50 as a decimal if needed round to the nearest hundredth