Which graph correctly represents the fraction 1/3y - 1/2x > 2

Find the value of x for which the lines are parallel.

What is the 12th term of b(n)=-4-2(n-1)

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2