The probability that James passes Chemistry with an A is 57%. The probability that he passes German with an A is 31%. The probability that James earnes an A in both Chemistry and German is 35%. Determine the probability that James earns an A in Chemistry or German? Please help

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.