In a large population, very close to 25% of the observations will fall below the 25th percentile (q1), and close to 75% fall below the 75th percentile (q3). the web site of the educational testing service reports that on the sat verbal test, with a possible perfect score of 800, the 87th percentile of 1,475,623 scores nationwide is a score of 640. what is the best estimate of exactly how many scores were below 640?

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

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

Which of these triangle pairs can be mapped to each other using a single translation? cof hn