Which two blue rectangles have the same total área as the red rectangle?

I'll give brainliest if you answer right : )

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?