In triangle pqr, point x could represent a) the incenter b) the centroid c) the orthocenter d) the circumcenter

Which expressions are equivalent to -6 + 3m

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer