5 couples want to have their pictures taken. In how many ways can they arrange themselves in a row if couples must stay together

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.

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply