Simplifica hasta tener una fracción irreducible a) 7/9 x 5/4 x 3/2= b) 9/7 x 1⁄4 x 2/3 = c) 5/8 x 10/4 x 3/6 = Efectúa aplicando la propiedad indicada a) 1/9 X4/6= (conmutativa) b) (15/7 X 2/3) X 2/2 (asociativa) c) 8 / 8 ( 5/5+3/2)= (distributiva) gente me ayudan? Es para mi tarea de mate :c

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.