Which expression can be used to find the surface of a square pyramid HELP PLS

As soon as look at the parallelogram abcd shown below: the table below shows the steps to prove that if the quadrilateral abcd is a parallelogram, then its opposite sides are congruent: which choice completes the missing information for reason 5 in the chart? (6 points) congruent parallelograms congruent triangles similar angles similar triangles

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]