Which statement justifies why ∠ebc measures 90°? given: angles abd and dbc are complementary a linear pair is two adjacent, supplementary angles. the sum of the measures of complementary angles is 90 degrees. if two angles are vertical angles, then they are congruent. alternate interior angles are congruent.

geometry! !

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

i can't see the picture : /

i found two solutions,   n = 2 • ± √3 = ± 3.4641

step-by-step explanation: