Help is very much needed lol

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Which angle is the smallest? also give me an explanation so i can complete it to other questions as well, : )

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.