A sprinkler swings back and fourth between A and B in such a way that <1 is congruent to <2. <1 and <3 are complementary, and <2 and <4 are complementary. If m<1=47.5 degrees, find m<2, m<3, and m<4

Identify the number 127 as a rational or irrational. explain

Determine the area of a triangle with (see picture below)

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