If u vyx is a parallelogram what is the value of y

What is the 12th term of b(n)=-4-2(n-1)

The graph shown is the graph of which function?

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%