Helppp please it’s due tdy :(

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

Can someone me and do the problem plz so i can understand it more better

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