Which of the following shows how the number 7 can be rewritten with the difference of squares identity? (16 - 9) = -1(4 + 3)(4 - 3) (16 - 9) = (4 + 3)(4 - 3) (25 - 4) = (5 + 2)(5 - 2) (18 - 11) = (9 + 6)(9 - 5) (64 - 1) = (8 + 1)(8 - 1)