Asurvey showed that 21% of people in a test market liked a new type of "green" detergent and would buy it. a total of 10,200 boxes of detergent of all brands were sold in the test market last year. based on the survey, how many boxes of the new detergent might the manufacturer sell?

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

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?