Find an expression which represents the difference when (-x+9y) is subtracted
from (-6x + 4y) in simplest 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.

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?