The diagram represents the unit rate of making copies on a copy machine. Which table represents the correct time for the number of copies made?

A

B

C

D

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.

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Solve x+3y=6 and 4x-6y=6 by elimination . show work !