Given the following set of data, find the quadratic regression equation. (0, 1821), (2, 1757), (4, 1565), (6, 1245), (8, 797), (10, 221)

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.

On a parallelogram, the vector from one vertex to another vertex is (9,-2). what is the length of the side? •7•√85•18•85