View the model of the United States. Which is a likely limitation of this model? It does not show which countries are to the north and south. It does not show America's major rivers. It does not show mountainous regions. It does not show the oceans surrounding America.

The path of a satellite orbiting the earth causes it to pass directly over two tracking stations a and b, which are 51 miles apart. when the satellite is on one side of the two stations, the angles of elevation at a and b are measured to be 87 degrees and 84 degrees, respectively. (a) how far is the satellite from station a? (b) how high is the satellite above the ground?