The scatter plot shows how the distance traveled by a train is related to the amount of fuel used. which picture shows a reasonable trend line for this data? the picture that shows 4 graphs are the possible answers. thx!

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?