10. use the slope formula to find the slope of a line with ordered pairs (2,-1) and (4,+2)

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coop?

Hi my sisters and brothers can tell me the answer because i don’t understand the question

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.