Problem: Please select all that apply: Rick Singer used the following tactics to provide a "side door" for admissions. Need Assignment Help? Group of answer choices Fraudulently using testing accommodations and imposters to complete standardized tests. Using athletic coaches to recruit students as walk on athletes even if they do not have any experience in that sport. Brokering deals with university presidents in to give extra admissions slots for his clients. Creating fraudulent scholarships that included guaranteed admissions to select colleges for his clients. All of the above. None of the above.