A parabola with its vertex at (25,18) and its axis of symmetry parallel to the y-axis passes through point (0,43). Write an equation of the parabola. Then find the value of y When z = 40.
An equation is
When = 40, y =
2

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.