a viewfinder has a triangular lens some of the measurements of the lens are shown below which of the following best represents the length of a

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.

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

How to do this , and can some one explain