Sam had 1 1/2 of rope . he cute off 5/8 and used it for a project. how much rope is left

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

If the value of cos330°is√3/2 then find cos 165°.

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?