Simplify: (3x^2 − 5xy + 2y^2) − (7x^2 − 3xy − 3y^2)

Astudent simplified a rational expression as shown.

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.