Which counterexample shows that the conjecture "every parallelogram is also a rectangle" is false?

With: label the vertices and all the elements needed. find x

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

Which inequalities can be used to find the solution set of the following inequality? check all that apply. |2x – 5| (2x – 5) (2x + 5) –(2x – 5) –(2x + 5)