The price of an item has dropped to 63$ today yesterday it was 105$ find the percentage decrease

On a architect's drawing of a house, 1 inche representa 1.5

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.