Beth and maria are going to the county fair. admission costs $4 per person for each day. they plan to go for 3 days .how much will the girls pay for all 3 days?

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.

Add the fractions and simplify 1/2+ 1/3

[15 points, algebra 2]simplify the complex fraction and find the restrictions.