Write the sentence as an inequality.
A number n is less than or equal to – 7 or greater than 12

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Solving systems of linear equations: tables represent two linear functions in a systemöwhat is the solution to this system? 0 (10)0 (1.6)0 18,26)0 18-22)

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'