What does 14K GE mean in a ring?

What is the square feet of 9x12? Is a 2-0 door is 24 inches wide? What shape has 6 angles and all sides same length? How do you divide a rectangle by 5 equal parts? What are all of the quadrilaterals? What is the electron domain geometry of SiH4? If the number of sides of a polygon is increased by five by how much would the sum of the interior angles of the polygon increase? Are rollerblades like in-line skates? What is the angle sum of a polygon with 9 sides? What is a rectangle rhombus? How do you make 24 by using 3 4 5 6 8? How many triangles has a 25 sided polygon? The center of gravity of a triangle solid with uniform thickness and density is at the intersection of the of the triangle? What is the subset of a line? When 15 is subtracted from the measure of an angle the result is the measure of a right angle. What is the measure of the original angle? What is the interior angle of a 12- sided shape? Is a trapezoidal prism a polyhedron? How many feet is it around the outside of a 27' round pool? What are planes of symmetry? How many lines of symmetry does the letter T have?