(a) Expand and simplify (a×a) – (a - b)(a + b). (b) Hence write down the value of
(6730×6730) – 6728 x 6732 without using a
calculator.​

What does this grave marker reveal about roman society

One of the main reasons the united states occupied japan after world war ii was that

Sam hated the long nights of winter! his mother called him in from playing so early: around 4: 30 pm! it is usually dark out when sam is eating supper. what letter represents the long nights where sam lives? a) a. b) b. c) c. d) d.