Arectangle has a width of 9 inches. the area of the rectangle is 648 square inches. what is the length, in inches, of the rectangle

What is the difference between regular convex and concave polygons

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.