Ethan and Alex run a 400-meter race. • Ethan takes m seconds to cover 400 meters and Alex
takes n seconds to cover 400 meters.
• Alex takes 20 seconds more than half the time
Ethan takes to cover 400 meters.
Enter the equation to show that Alex takes 20 seconds
more than half the time Ethan takes to cover 400 meters.

4based on his attributes it can be concluded that through history could have "compelled" him to act in this way.

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.