Emil's backpack weighs 6 ⅜ pounds. He removes a book that weighs ¾ pound. Then he removes a book that weighs ½ pound. How much does Emil's backpack weigh now? Use any method to solve this problem. You must show all your work.
Then, explain your reasoning and the steps you took to solve the problem.

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.