What is the slope of the line containing the ordered pair (2,3) and (-4,0)? write the equation, substitute, and show work to arrive at your answer

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex