Aroad was recently built through a mountain. the cliffs and steep slopes on either side of the road have large, loose rocks exposed. drivers on this road should be concerned because a. these rocks make the hillsides look ugly. b. gravity and erosion might cover the rocks back up again. c. gravity and erosion could cause the rocks to fall or slide onto the road. d. the road is not sturdy since these rocks were not placed underneath it.

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function