The length of the boston marathon is 138,35 ft. each stride, or step, by a particular runner 3 ft long. does the number of strides the runner takes fit evenly into the length of the race?
explain your answer

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An angle that measures between 90 and 180° is called a(,

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

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