There are several quite distinct questions we can ask with regard to them.
Accurate statistics with regard to the area occupied in different forms of cultivation are difficult to obtain, both on account of their varied and piecemeal character and from the lack of a complete cadastral survey.
We sometimes require the moments with regard to a line or plane through the centroid.
Till 1884 an equally fierce agitation was carried on against Ontario with regard to the eastern boundary of Manitoba.
From the differential coefficients of the y's with regard to the x's we form the functional.