Factor -6m + 9.

-6(m - 3)
-6(m + 9)
-3(2m + 3)
-3(2m - 3)

Recall the definition of a polynomial expression. find two polynomial expressions whose quotient, when simplified,is. use that division problem to determine whether polynomials are closed under division. then describe how theother three operations-addition, subtraction, and multiplication-are different from division of polynomials.

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle