[{"id": 1, "type": "multiple_choice", "options": ["12 square units", "6 square units", "8 square units", "10 square units"], "question": "What is the area of a rectangle with length 2 and width 4?", "correct_answer": "8 square units"}, {"id": 2, "type": "multiple_choice", "options": ["18 square units", "84 square units", "36 square units", "77 square units"], "question": "What is the area of a rectangle with length 7 and width 11?", "correct_answer": "77 square units"}, {"id": 3, "type": "short_answer", "question": "Evaluate: -7 + (0)", "correct_answer": "-7"}, {"id": 4, "type": "multiple_choice", "options": ["x = 18", "x = 16", "x = 170", "x = 17"], "question": "Solve for x: 10x = 170", "correct_answer": "x = 17"}, {"id": 5, "type": "multiple_choice", "options": ["x = 21", "x = 160", "x = 20", "x = 19"], "question": "Solve for x: 8x = 160", "correct_answer": "x = 20"}]