The width of a rectangle is 2x²+9x-7 and the length is x²-9. Find the perimeter of the rectangle.​

Find the length of cu, the triangles are similar.

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?