Pls help i have a lot of recent questions on my account that i need answers for! Im soo smart lol

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.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?