Answers to Test 13: 1-C 10-C 19-C 28-D 37-A 46-D 55-A 64-A 73-D 2-B 11-C 20-D 29-A 38-D 47-B 56-C 65-D 74-C 3-A 12-A 21-C 30-C 39-A 48-C 57-B 66-C 75-B 4-D 13-A 22-B 31-C 40-B 49-B 58-C 67-A 76-B 5-C 14-C 23-D 32-B 41-C 50-D 59-A 68-B 77-A 6-B 15-D 24-A 33-D 42-D 51-D 60-C 69-D 78-D 7-B 16-B 25-C 34-B 43-C 52-A 61-B 70-C 79-C 8-D 17-A 26-C 35-D 44-C 53-A 62-D 71-B 80-B 9-B 18-D 27-A 36-C 45-A 54-B 63-C 72-A 81-A Grade Yourself: Simply count the number of questions you missed. Your grade will be next to that number below: 1 - 99 9-89 17-78 2 - 97 10-87 18-77 3 - 96 11-86 19-76 4 - 95 12-85 20-75 5 - 94 13-84 21-73 6 - 92 14-82 22-72 7 - 91 15-81 23-71 8 - 90 16-80 24-70