3) The ratio of blue chairs to red chairs in Ms. Escobedo's class is 4 to 7. Which of the following cannot represent the total number of chairs in Ms. Escobedo's
class?

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

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.

X+y=-4 x-y=2 use elimination with adding and subtraction