B. Determine whether the statement is true or false. Write T if it is true and F if it is false. 1. m2 is a perfect square 2. a2+b2 is a difference of two squares 3. The complete factors of x4-81 are x2+9 and x2-9. 4. a5 is a perfect square. 5. b2-9 is the same as 9-b2.