Aspinner has 10 equally sized sections, 4 of which are gray and 6 of which are blue. the spinner is spun twice. what is the probability that the first spin lands on gray and the second spin lands on blue?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

How can you find the magnitude of a vector, v = < x, y > , where the horizontal change is x and the vertical change is y?

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.