Triangle abc and triangle bcd have vertices a(-6 -7),b(-6,4),c(2,-7),and d(8,4).what is the area, in square units, of trapezoid abdc which is formed by the two triangles?

(50 points) drag each description to the correct location on the table. each description can be used more than once. some systems of equations and their graphs are given in the table. for each system, place the description(s) in the box that correctly describe the type of system shown. :