El tunel ferroviario mas largo del mundo es el de seikan, en japon, mide 33.42 millas,¿cual es su longitud en km si cada milla equivale a 1.609km?

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497

What is the area of the trapezoid shown ?

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d