Write the equation on the line that passes through (5,4) and (-4,3)

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 is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?