At a banquet the ratio of the number of boys to the number of girls is 5: 3. halfway through the banquet 20 boys leave and the ratio becomes 5: 4. how many girls are at the banquet?

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 value of x for which line a is parallel to line b

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.