An arithmetic sequence has a 10th term of 17 and a 14th term of 30. find the common difference

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)