What is the sum of the given polynomials in standard form? (x2 - 3x) + (-2x2 + 5x - 3)
-3x2 + 8x- 3
-x2 - 2x - 3
3x2 - 8x + 3
-x2 + 2x - 3

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length