Mindy is reading a book that is 430 pages. If she wants to read 30% of her book tonight, which equation can be used to determine how many pages Mindy needs to
read, x?

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.

See attachment below and find the equivalent of tan(∠qsr)

Write the equation in general quadratic form: plz !