In a triangle RSM, the measure of angle SRM is twice the measure of angle RSM. A point O is selected on side RS such that SO=SM. The length of the angle bisector of angle RMS equals RO. What is the degree measure of angle RSM. The answer is a positive integer.

How to do this , and can some one explain

Which one ? is the answer and how to find this answer

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia