Sold 72 books, if ratio of books to bookmarks sols was 9:2, how many bookmarks sold?

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

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

Determine which postulate or theorem can be used to prove that lmn =nmo