Iforgot to ask this but what is it?

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

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955