Prosze pomocy Oznacz literami a i b dligosci podstaw trapezu narysuj wysokosc i oznacz jej dlugosc literaa h pls matematyka klasa 5 cwiczenia str 100 zad 3 pls pomocy

What is the length of bc ? enter your answer in the box.bc =

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

What is the range for 31,39,29,34,37,24,36,33,34,28