In a data set of 200 observations with a rage of 63.5 to 102.3, there are 138 observations with values less than 89.2 ,
find the percentile for 89.2
you show steps < 3

6n^2-7n-75=0 solve by quadratic formula

For each proportion find the unknown number x 1/5/8=×/15

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