What is the remainder when (55)(57) is divided by 8?
Pick one.
A) 1	B) 2	C) 4	D) 5	E) 7

Rationale: ( 55 ) ( 57 ) = ( 56 - 1 ) ( 56 + 1 ) = 56 ^ 2 - 1 which is 1 less than a multiple of 8 . then the remainder will be 7 . the answer is e .
Answer: E