a book in Marshalls cost $150. After a month the book was marked down 5%. 3 months later the book was down again 10%. You go into the store during a clearance event and get an additional 15% discount off price of the book. What is the final clearance price of the book? Round to the nearest penny and use dollar sign, no space

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