M is the midpoint of line RS. M has coordinates of (-5,2) and R(-8,7). Find the coordinates of S. Use the midpoint formula and please show how you got it:)

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

Agrid shows the positions of a subway stop and your house. the subway stop is located at (-5,2) and your house is located at (-9,9). what is the distance, to the nearest unit, between your house and the subway stop?