12 and -12 are example of opposites
even numbers
negative numbers
absolute values

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.

One integer is 5 more than another. their product is 104. find the integers

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section