I need help with this question real quick.

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 is the product? a-3/15a × 5/a-3

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?