Which expression is equivalent to (x2 +9x – 1)(-4x + 3)?

-4x3- 33x2+31x – 3

4x3 +39x2-23x + 3

4x3+33x2-31x + 3

-4x3 -39x2+23x – 3

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

The diagonals of a quadrilaretral intersect at (-1,4). one of the sides of the quadrilateral is bounded by (2,7) and (-3,5) determine the coordinates of the other side in order for the quadrilaretral to be a square.

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates