In triangle DEF, C is the centroid. If DM = 57, find DC and CM

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual