Helppp help needed pls

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]

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi