Ms. Zehr flew a kite. The kite is 60 ft directly above the ground. The kites string is 145 ft long. What is the angle of elevation

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.

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?