find the measures of the angles formed by two intersecting lines if the sum of the measures of three of the four angles is 270°.

Your answer is: increased air temperatures  hope this ! : )

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.