Determine which diagram could be used to prove triangle ABC is congruent to triangle EDC using similarity transformations

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your

In a timed typing test lara typed 63 words per minute. estimate the number of words she should be able to type in half in hour show your work