Can you please find the axis of symmetry , vertex, domain a range.

Find the value of the cosine for angle a

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 the triangle rst, rs = 65 and st = 60. which equation could be used to find the value of angle s?