Can somebody answer my latest question apparently nobody here can do anything about it

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

In the following diagram it is given that dec, ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2