cine ma poate ajuta la exercitiul asta paranteza rptunda 13supra 12 minus 4 supra 15 impartit 49 supra 30 plus 1 supra 3​

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

Ineed with number 6 , explain how to get 1978

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?