What unit of measurements would be most useful to find the volume of a standard size stapler

6.3x+14 and 1.5x-6 answer in simplified form

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

Are the corresponding angles congruent? explain why or why not.