one question from chapter measurements/ Trigonometry and rest of questions are Statistics 

Please answer the question number 25, 26, 27 & 28 and the numerical 7 below the attachment please show me how you solve it.

27. At the end of a bowling tournament, three friends analyzed their scores. Donatello's mean bowling score is 92 with a standard deviation of 14. Rafael's mean bowling score is 130 with a standard deviation of 18. Leonardo's mean bowling score is 116 with a standard deviation of 22. Who is the most consistent bowler? A. Donatello B. Rafael C. Leonardo D. Impossible to tell.28. Harold's physics unit test marks are shown below, together with the class mean and standard deviation for each unit test. Subject Harold's Mark Mean Mark Standard Deviation Kinematics 79 70 12 Dynamics 71 61 14 Gravitation 78 68 13 Work and Energy 76 67 13 On which test did Harold perform the best relative to the rest of the class? A. Kinematics B. Dynamics C. Gravitation D. Work and EnergyNUMERICAL RESPONSE 7 The number of adults attending an evening art class each week is recorded below. 27, 23, 12, 22, 24, 19, 22 The standard deviation of this data, to the nearest tenth, is Record your answer in the numerical response box.26. Determine the mean of the following test scores. History Test 2 Scores 95 85 72 62 92 84 72 59 89 80 70 52 88 78 68 40 85 73 67 32 A. 71.65 B. 71.15 C. 72.15 D. 70.65Use the diagram below to answer the next question 71 18.0 cm 24.5 cm 25. Determine the measure of 0 to the nearest degree. A. 490 B. 440 C. 390 D. 340