50pts + brainliest pls find the equation of straight line passing through (1,-1) and (3,-5) pls help im in online class and i have to answer pls

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.

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation