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The diagram shows a prism. 2 m 2 m 1 m 2 m side side elevation front front elevation Draw the front elevation and the side elevation of the prism on the grids. Use a scale of 2 squares to 1 m.
Study results indicate that the mean length of time people spend on a bus in a city is between 21.2 min and 24.5 min what is the study margin of the error?