多项选择题

Directions: Questions 9-20 have three different formats. Unless a question has its own directions that specifically state otherwise, each question has five answer choices, exactly one of which is correct. Directions: For the following question, consider each of the choices separately and select all that apply. Benjamin’s average (arithmetic mean) on the six biology tests he took last semester was 89. On each of his first five tests, his grade was between 90 and 100, inclusive. Which of the following could have been his grade on his sixth test Indicate all such grades. A. 15 B. 25 C. 35 D. 45 E. 55 F. 85 G. 75 [H] 85 [I] 95