How do I solve

Which score indicates the highest relative position? Round your answer to two decimal places, if necessary. (a) A score of 3.4 on a test with X = 4.8 and s = 1.6. (b) A score of 650 on a test with X = 810 and s = 180. (c) A score of 45 on a test with X = 51 and s = 6. The score with the highest relative position is (Choose one) since the (Choose one) is high