Given k > 3 and ( +
2x+2) dx = 10k
show that k3 – 10k2 + ak + b = 0
where a and bare constants to be found.

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.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex