Today, Anna put 16 7 8 pounds of electrical supplies into crates. Each crate held 1 7 8 pounds of supplies. How many crates did she ​use? If it took Anna half an hour to pack each​ crate, how long did the entire project take her​?

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