I really need help I don’t know what todo I will do anything to get the best answer.(if u do 20 I will give 100 points and brain list on next question)

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

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

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?