Can someone help with this question and either answer 1, 2, or both. Thanks

Solve the system of equations. y= 2x y= x^2 - 15

What is the best reason for jacinta to have a savings account in addition to a checking account

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]