Astudent used the distributive property to simplify 9(m - 4). their answer was 9m - 4. which answer choice best describes the student's work? a - the student correctly simplified. the 9 was distributed to the m and now 4 will be subtracted from the product of 9 and m. b - the student made an error. the first factor, 9, was distributed to only one of the terms inside the parentheses. c - the student made an error. 9 should be distributed to the number 4, but not to the variable m. d - the student made an error. 9 should be distributed to the number 4, but not to the variable m. ( ! d: the best answer gets to be and rated! )