I really need help! Which statement regarding the interior and exterior angles of a triangle is always true?

(A) An exterior angle is supplementary to the adjacent interior angle.
(B) An adjacent interior angle is supplementary to a remote interior angle.
(C) A remote interior angle is congruent to the exterior angle.
(D) An exterior angle is supplementary to a remote interior angle.

Based upon past experience, barry expects no overdrafts. he expects no 2nd copies of statements. barry estimates that he will use network atms about 5 times a month with either bank. barry decides in the end to choose eecu. assuming that both banks provide the necessary services equally well, and based upon the tables of fees given above, how much can barry reasonably expect to save annually by choosing eecu in this case over e-town bank? a. $72 b. $78 c. $144 d. $24

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b